Use the given information to find the exact value of the expression.

sin α =21/29 , α lies in quadrant iv, and cos β =-4/11 , β lies in quadrant iii find cos(α+β).

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

In which form is the following function written? y = - 2(x – 3)(x + 5)

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account