The height of horses is measured in hands. To find the height of a horse in inches, use the expression 4h, where h is the number of hands. Rosa has a horse that is 15 hands tall. How tall is Rosa's horse in inches? Rosa's horse is ??? inches tall.

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.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

When you answer this can you explain