What is 310 rounded to

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?