17 bc it's in the middle (btw I didn't make that up my teacher in 6th grade said that)
Answer:
ok
Step-by-step explanation:
1
He makes 100 j in got this by just saying it

where A is area
a is side a lets say its 8cm
b is side b lets say its 7 cm
theta is 28
The answer should be -4,
7x2=14
2x-9=-18
14+ -18= -4