What is the inverse of the following?

{(0, 0), (9, -1), (7, 4), (-10, 3)}

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)