Answer: look at the 2 picture
Step-by-step explanation: Hope this help :D
b = 8
Since 6b and 5b have the same variables, you can subtract them both. 1b, but I'd perfer just b. Then, swap the -8 to the other side. It makes it positive. So it's b = 8.
The surface area of the cube is 150 in^2
Further Explanation:
A cube is a six-faced figure with same side length.
The formula for calculting the surface area of cube is given by:

Here s is the length of side.
Given
Side length =s =5 in

The area of cube is 150 in^2
Keywords: Surface area, Cube
Learn more about cube at:
#LearnwithBrainly
The volume of a cylinder is
Volume = π (radius)² (length or height)
Volume = π (4 cm)² (15 cm) = 240 π cm³ = 753.98 cm³