What percent of these students play the saxophone?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1