Aeighteen-sided die is rolled three times. in how many ways can this happen?

Is the figure congruent? yes or no?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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