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Can anyone help me please ?? Can someone could explain the part of simplifying rational expressions where it is x is not equal to a number. I've had a hard time understanding how to get that answer. The picture is an example in my notes. What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?ts fossil records but i need an explination Which of the following best describes the interaction between the nervous system and the immune system?A) The nervous system circulates oxygen gathered by the immune systemB) The nervous system directs cells manufactured by the immune system.C) The nervous system dumps waste accumulated by the immune system.D) The nervous system digests nutrients created by the immune system. Help me with this question please and thank you.Select the correct answer from the drop-down menu.Read the excerpt. Then choose the best way to complete the bulleted summary of the excerpt. There are three keys to identifying birds. Note their physical characteristics. DROP DOWN MENUA. Study maps of their migratory routes.B. Encourage others to watch birds.C. Listen to the sounds they make .D. Draw a picture of a grassland habitat.Watch how they behave. What causes climate ________ was the leader of an alliance of city states opposed to Athens. 5. All sites are required to have the following reference materials available for use at VITA/TCE sites in paper or electronic format: Publication 17, Publication 4012, Volunteer Tax Alerts (VTA), and Quality Site Requirement Alerts (QSRA). AARP Foundation Tax Aide uses CyberTax Alerts in lieu of VTAs and QSRAs. What other publication must be available at each site and contains information about the new security requirements at sites Project1 costs, Year 1 through Year 4: $100,000; $100,000;$100,000;$100,000 Project1 revenue, Year 1 through Year 4: $0; $5,000;$50,000;$110,000 Calculate ROI for Project1, using a 7 percent discount rate. Discount factor, Year 1 through Year 4: 0.93; 0.87; 0.82; 0.76 Fill in the following blanks - just type the numbers without labels, dollar signs, commas, etc. Find the product of the term 3ab A provider who stands over a client can be viewed as intimidating and assuming a position of _______. As a laudably skeptical physics student, you want to test Coulomb's law. For this purpose, you set up a measurement in which a proton and an electron are situated 865 nm from each other and you study the forces that the particles exert on each other. As expected, the predictions of Coulomb's law are well confirmed. You find that the forces are attractive and the magnitude of each force is:______ what does the blind fold stand for in the the american injustice system developed the first compiler and conducted work that led to the development of COBOL ? the number of employees for a certain company had been decreasing each year by 8%. If the company currently has 860 employees and this rate continues, fund the number of employees in 19 years. What do you think are the factors that affect your eating habits What is the value of x?A. 6B. 5c. 4D.3 Name the following parts:A-BC Solve the formula a(m+r) -t=s for a. Which statement about Niels Bohr's atomic model is true?O Higher orbits have lower energies.O Each orbit has a specific energy level.O Electrons can exist in any energy level.O Orbits close to the nucleus have no energy.