The answer is b
A^2+b^2=c^2
9^2+12^2=15^2
81+144=225
The cost for him to rent the machine and buy the supplies is $400 ($275 + 125), so he needs to charge $550 ($400 +150) for the job in order to make $150 profit.
(Y+4)(y+2) is this what it supposed to look like? Cause I don’t really remember.
