Select the correct answer from each drop-down menu. The annual enrollment of a university for the last nine years is recorded in the table.

Year 1 2 3 4 5 6 7 8 9
Students (thousands) 9.5 8 8.5 7.5 6.5 6.5 8.5 8.5 9
What quadratic function best models this set of data?

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.