in Class of 80 students in debrebirhan university, 45 are good in mathematics, 15 are good in both mathematics and English, 13 are good in both mathematics and psychology, 16 are good in both English and psychology only, 20 are good in psychology and 9are in both of the three courses ​

A food worker has been slicing melons for four hours. Her single-use gloves are intact. Should this food worker change her gloves? A. No, because her gloves are not torn B. Yes, because she should use cloth gloves instead. C. No, because she may wear the gloves for up to six hours at a time. D. Yes, because pathogens on the gloves may have multiplied to dangerous levels. I wrote a cheque for $10 and he threw my 2 dollar how much do I have left Show Work! There are 380 students, teachers, and chaperones going on school buses for a field trip. Each school bus can hold 68 passengers. Everyone will ride on a school bus. How many school buses does this group need? Does this picture indicate that < JAC = Can somebody complete the conversation in Spanish (fill in the empty spots with what should be said there) When p= 12, t= 2, and s= 5, r= 18. If rvaries directly with p and inversely with the product of sand t, what is theconstant of variation? GIVING 20 POINTS!! Apply Concepts Two chemists each plan an investigation in which they will combine hydrogen gas with chlorine gas to observe the chemical reactivity. The plans differ in that one will use 25 milligrams each of hydrogen and chlorine, and the other will use 1000 times this amount, i.e., 25 grams each of hydrogen and chlorine. Can the investigations reach similar conclusions about the reactivity of hydrogen with chlorine? Explain. Which resident will not normally need any assistance with meals? a. One who is visually impaired b. One who has poor control of his arms or hands c. One who has decreased strength or endurance d. One who has a broken hip Consider the following statements regarding computer programs A - Variables can contain different values at different times.B - Reserved words of a programming language can be used as variable names in that languageWhich of the following is true with respect to the above? * O Only A is correct Only B is correct Both A and B are incorrect Both A and B are correot Dialects differ from one another in what aspects?pronunciationidiomlanguagevocabulary 2. If you move and own a registered vehicle, you must notify the department of your new address withindays.1053060 9. Ray, how can you say that? You were a mile behind me! Private goods are not rival in consumption, but excludable. rival in consumption and excludable. rival in consumption, but not excludable. not rival in consumption and not excludable Which statement describes the motion of a ball as it drops onto a vertical spring?a. The acceleration of the ball decreases as the spring shrinks.b. The accIleration of the ball decreases as the spring extends.c. The velocity of the ball changes from positive to negative as the spring shrinks.d. The velocity of the ball changes from negative to positive as the spring extends. vit nam c ch ngha x hi cha Sin A 4/5.FindCOSA + tan A Which of the following is an example of a national-level professional organization for a pharmacy technician?O A. American Association of Pharmacy TechniciansO B. The pharmacy board of a local state hospitalO C. Local CDC branchesO D. American Association for Safe Medication identify business equipment or resources required to complete task under direct instruction? Change the following sentences in the first person plural to an impersonal structure with the pronoun "se." Hablamos el portugus.En Espaa comemos a las dos de la tarde. evaluate the expression