5(22–3)-3(x+4), Which expression is the simplest form of
9
A.
72-3
9
72-27
B.
C.
132-27
9
D. 72 – 3

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

i think the answer is b

3+x

step-by-step explanation: