The function v(t) = 35+ 4t models the speed of a car accelerating out of a 35 mph zone into a 55 mph zone on a local highway, where t is time in seconds. Which best represents v(5)?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?