On a uphill hike, Ted climbs at a rat of 3 miles an hour. If it takes him 40 minutes to climb up than down, what is the total length of Teds hike?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.