Simplify 12 to the sixteenth power over 12 to the fourth power

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

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.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !