-12=5r+8 what the equation

5(-9w) put expression in distributive property

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity