Enter the volume for x that makes the. equation 5+3x-37=6x+23-8x

If 25% of y is 30, what is 60% of y?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

We just started the introduction into circles and i have no idea how to do this.