A survey of 150 11th and 12th graders was given to determine what their favorite snack was. 90 said candy (40 of which are juniors). 40 said Chips (15 were seniors), and 15 juniors and 5 seniors said popcorn was their favorite. How many juniors preferred chips?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Precalculus question, image attached.