Given a rectangle that is 21 cm longer than it is wide. Express the perimeter (in cm) of a rectangle in terms of its width w.

Whats the equation for 485 + 812

Imagine that you and two friends are washing the dishes by hand after dinner. The order of operations required to wash a single dish are as follows: Rinse (15 seconds) Scrub with Soap (30 seconds) Rinse (15 seconds) Dry (15 seconds) One friend is

If z+y=x+xy^2 what is x expressed in terms of y and z?

If you deposit $10,000 at 3.85% interest, compounded daily, what would your ending balance be after three years?

What is the value of 24/4 + (-2*5)

Factor as the product of two binomials. x² - 6x - 7=

A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability. 2 orange, 1 lemon

What is the answer to these equations - 4=8+a and 14=y+11.

Adam had 1/2 of a pizza leftover, his sister ate 1/3 of 1/2 of the pizza. How much pizza did she eat?

For prisms and pyramids, how are the area of the base of the solid and the shape of the solid related to the volume