A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7. 1. What are the side lengths of the scaled copy? 2. Suppose you want to scale the copy back to its original size. What scale factor should you use?

If f(x)= 3x+6 which of the following is the inverse of f(x)

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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?