What is the equation for the line that passes through the point (0,0) and has a slope of -1/2

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

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

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row