2) the ratio of students with blond hair to students with brown or black hair is 1:2. If there are 212 students with brown or black hair how many student have blond hair

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

What is the product? a-3/15a × 5/a-3

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?