-5+2(10b-2)=31 need help thanks!

Megan has 12 pounds of cheesecake. On Monday, she and her friends eat 4 pounds. On Tuesday, she and her friends eat another 3 pounds. On Wednesday, her friend Mark gives her some more cheesecake so that she has 3 times as much as she had at the end of Tuesday. On Thursday, some of her cheesecake goes bad, so she has the amount that she had at the end of Wednesday, but divided by 5. On Friday, she gives 3 pounds to her dog. On Saturday, her mom gives her one more pound. On Sunday, how many pounds of cheesecake does Megan have left? All the edges of a cube have the same length. Tony claims that the formula SA = 6s, where s is the length ofeach side of the cube, can be used to calculate the surface area of a cube.a. Draw the net of a cube to determine if Tony's formula is correct.b. Why does this formula work for cubes?Frances believes this formula can be applied to calculate the surface area of any rectangular prism. Isshe correct? Why or why not?d. Using the dimensions of Length, Width and Height, create a formula that could be used to calculate thesurface area of any rectangular prism, and prove your formula by calculating the surface area of arectangular prism with dimensions L = 5m, W = 6m and H=8m. The colony established by Roger Williams in which religious freedom for all was permitted was: Massachusetts South Carolina Virginia Rhode Island What is the mass number of an element URGENT PLZ HELP THANK YOU! Whats is the greatest common factor of 100x^2 - 250xy + 75x If one pound is the same as 454 grams, then convert the mass of 78 grams to pounds. Which polynomial is a factor of both expressions? x 8 x + 7 x 2 (x 2)2 Read the selection and the question, and choose the option that best answers the question. Hola! Mi nombre es Marina y vivo en Colombia. Tengo 15 aos y estoy en la escuela superior. En Colombia, la escuela superior tiene cuatro rutas diferentes: Los programas tcnicos (12 aos) Los programas tecnolgicos (3 aos) Los programas docentes (45 aos) Los programas profesionales (45 aos) Yo estudio en el programa tcnico. Me encantan los animales y me gusta la comida saludable como las frutas y verduras. Cuando terminas los dos aos del programa tcnico, puedes comenzar a trabajar inmediatamente. Hace dos aos que mi amigo Sal estudia una carrera en el programa tcnico tambin. l estudia cmo medir las calles y avenidas cuando quieren construir o poner nuevas carreteras. Puede empezar a trabajar en un mes. Mi amiga Saida estudia en un programa docente para ser maestra. En las carreras profesionales necesitas estudiar ms que en las carreras tcnicas. Mi prima Anastasia estudia las computadoras en el curso tecnolgico. A ella le encanta la tecnologa. Based on the information from the text, who will take longer to complete his/her studies? 1) Anastasia 2) Marina 3) Saida 4) Sal If one could transport a simple pendulum of constant length from the Earth's surface to the Moon's, where acceleration due to gravity is one-sixth (1/6) that on the Earth, by what factor would be the pendulum frequency be changed Who was an African American man who filed a suit to overturn segregation laws? Jim Crow Dred Scott Hiram Revels Homer Plessy how do you figure out ratios? the problem is 12 quarters to 34 dollars. thanks PLS HELP:Find all the missing elements: summary of the poem sea fever While performing an experiment, it is important to: a. change the control setup b. test many different variables at the same time c. reach a conclusion d. record observations and measurements The apathetic college student was clearly confused on his final exam.Type of figurative language, and how do you know? Name a real world context to describe the sums of rational numbers. Cual es la diferencia entre las palabras destacadas que tienen tilde y las que no la tienen? Find f(x) and g(x) so the function can be expressed as y = f(g(x)). (1 point) [tex]y=\frac{7}{x^{2} } +10[/tex] Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes? a. the catalyst is removedb. the temp is increasedc. the volume is decreasedd. helium is addede. CO is added