Plss help Give brainiest if right! One pipe can fill the pool in 6 hours. The second pipe can drain
the pool in 18 hours. How long will it take to fill the pool if the
two pipes are both working?

How do you find the area of a triangle

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

Which expression is the factorization of x^2+10+21