What is the measure of angle A, in degrees?

Look at attachment. has all info needed. need

What are the sotions to the quadratic equation 9x^2=4

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.