Find the slope of the line that passes through (-2, 7) and (-2, 9)

The amount of energy it takes to lift a box might be a function of which of the following

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?