Pls help I need a good grade I’ll add extra points

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq