Find the slope of the line trough each pair of points (-9,-15)(1,-18)

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Write an algebraic expression for the word expression the quotient of c and 8

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