Please help, I have no clue how to do this!! This question is not about solving the stated problem, but about understanding it.

A rocket is launched, and its height above sea level t seconds after launch is given by the equation h(t)=-4.9t^2+1600t+150.

What is the slope of the line that contains the points (-2,1) and (0,-3)

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.