Answer: a or d
Step-by-step explanation:
180(n-2)=157.5n
180N-360=157.5n
180N-157.5n=360
22.5N=360
N=360/22.5
N=16
Answer:
There must he a circulation. May not be causation.
B on the first question and A on the 2nd
if UW = 9x-9 then UW is 5 in units