Hallie hikes 5 miles in 90 minutes. at this pace, how long will it take her to hike the next 2 miles?

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

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

What is the gcf of 20c^3-5c^4+30c^6