PLEASE HELP ASAP I REALLY NEED HELP Evaluate the function for x = 2 and x = 7, when f(x) = -4x + 61

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.