Today only, a sofa is being sold at a 34% discount. The sale price is $231. What was the price yesterday?

What is the value of x in the diagram below?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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