What is the area of the following circle? Please tell me how you did it

100 points, hi, i’m not sure how to get the equation from the graph and table.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

What number is 7 units left of -15?