The graph below shows the relationship between the number of dollars a worker earns and the number of hours worked. Which statement best describes the rate of change for this situation?

A. The worker earns $40 per hour.

B. The worker earns $8 per hour.

C. The worker earns $10 per hour.

D. The worker earns $320 per hour.

B the worker earn $8 per hour which is below minimum wage he need a new job!

The formula for cylinder of pi is v = π r ^ 2 h.

So you are going to do pi x 6^2 x 12 = 1357.168026350791 then divide 1357.168026350791 by pi and you get C. 432 pi in.^2

Also here is a link to a calculator that can really help with problems like this.
https://www.eeweb.com/tools/calculator

Hope this Helps!!