Tricia is going to write 15 first number in each pattern used to describe the pattern

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

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr^2. write your answer in scientific notation.

Consider the point (x, y) lying on the graph of the line 6x+4y=7. let l be the distance from the point (x, y) to the origin (0,0). write l as a function of x.