Combine like terms to create an equivalent expression. {\dfrac{2}{5}m-\dfrac45-\dfrac35m} 5 2 ​ m− 5 4 ​ − 5 3 ​ m

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 of the following expressions is equal to 2x^2+8

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?