Which pair of expressions is equivalent to each other?
a
2 x 2 x 2 and 3²
b
6 x 6 x 6 x 6 and 4⁶
c
4 x 4 x 4 x 4 x 4 and 4⁵
d
8 x 8 x 8 x 8 x 8 x 8 and 8⁸

If a boat travels 3 miles in 1.5 hours how far will it travel in 2 hours?

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.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?