A softball diamond is a square with 30 foot sides and bases at each corner. If a softball were thrown from third base to first base, it would travel about 30 ft. A.15
B.30
c.33.54
D.42.43

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.

Which one is the correct answer, and why?

Write the equations in logarithmic form 9^4=6,561