8-2b=-2/3(12b+6) solve

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

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

Iwill give you ! what is the measure of ∠v ?