The diameter of a circle is 7 feet. Find the radius

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Consider the function f(x)=-5x+3 what is f(-2)

Landon wrote that 3−2.6=4. which statement about his answer is true?