What is ( 3x - -4 ) + (5 + 4x)

Solve |2x - 5| = 4 if anyone could , that would be great

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

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