Pls help pls help pls help

4+(2+x) can you me solve this problem

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?