June uses 12 eggs to make cupcakes. She uses 4 eggs for each batch of cupcakes. Which expression can be uses to find the number of batches she makes

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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

Solve 3x-18=2y and 5x-6y=6 by elimination show work