[20 points] the average lifespan of individuals in a population was measured before and after the cure for a disease was discovered. the average lifespan before the cure was discovered, b, gradually increased over several years to a, the average lifespan after the cure was discovered. which of the following functions would best model the situation above? a. exponential b. absolute value c. logarithmic d. step

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)