a)Using this model find the cost if 60% of the citizens participate?Answer:Show your work here:b)Using this model determine the percentage of participation that can be expected if $4 million is spent on this recycling project. Set up an equation and solve algebraically. Round to the nearest whole percent.Answer:Show your work here:5)The volume of a cube is given by V = s3 where s is the length of a side. Find the length of a side of a cube if the volume is 500 cm3. Round answer to three decimal places.Answer:Show your work here:6)Suppose that N= models the number of cases of an infection in millions of a disease x years from now.a)How many cases of the infection will there be 9 years from now?Answer:Show your work here:b)In how many years will there be 5 million cases? Answer:Show your work here7)a)If fill in the following table for x = 01234. Round to three decimal places where necessary.xy01234Show your work here:b)Explain why no negative values are chosen as values to substitute in for x.Answer: c)Graph in MS Excel or another web-based graphing utility and paste your graph here. Read the information in the assignments list to learn more about how to graph in MS Excel. Answer: