A road map has a scale of 5 cm = 1 km. If two towns are actually 15.5 km apart, how far apart are they on the map scale? cm.

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.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x