I need help with question number 7. I don’t get it.

What’s the answer ? use the picture to see the problem

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie