The relationship between the number of $12 DVDs you buy and the total cost.

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

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

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer