Single Step Literal Equations: 4an=f solve for a

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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

What is the sum of the first 8 terms of the geometric series