Find x. Assume that segments that appear to be tangent are tangent

With #! i’ve tried to figure it out but i can’t.

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π