Find a solution to the following system of equations. -5x+2y=9 3x+5y=7 a) (1, 7) b) (–1, 2) c) (–9, 7) d) (0, 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?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2