Find the missing variables

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25