What is -6r times (12s) simplified?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585