Answer this correctly

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog