Use quadratic equation to find the roots of the following equations

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?