Marissa needs to paint all the faces and the base of a model pyramid she made for her history project. the dimensions of the pyramid are shown here. what is the total surface area of the pyramid? 140 in2 180 in2 240 in2 260 in2

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Find the difference (8ab+a+2) - (3ab+6)

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?