2, 1) and (5,-8).
Use exact numbers.
y=

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.

What could explain what happened when the time was equal to 120 minutes

One integer is 8 times another. if the product is 72, then find the integers