What is the area of a circle with a radius of 10 yards

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.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?