Which explanation correctly solves this problem? a golf club has 85 golfers in a golf tournament. the golfers will ride in golf carts. each cart holds 4 golfers. how many golf carts will the club need for all the golfers? 85 ÷ 4 = 21 with 1 left over. they will need 22 golf carts. 85 ÷ 4 = 21 with 1 left over. they will need 21 golf carts. 85 ÷ 4 = 21 with 1 left over. they will need 21142114 golf carts.

Find two rational expressions that have the difference of 2-n/n-4

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota