Help I don’t know the answer

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).