Answer:
(1)= A= 17, B= 20
(2)= A= 33, B=73
(3)= A= -18, B= 1
Step-by-step explanation:
I got confused on number 3 so it could be B= 1 or B= 35 the others i am not sure i tried working them out but i kept getting confused so i did try my best
$132
obv
9m out of 9m³h−27m
9m(m²h−3)
810