What is the value of x when (6x+1)+(2x+10)=79

Find the value of the variable and the length of each secant segment.

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

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show