Hope this helps if not please leave a comment and tell me what don’t you seem to understand.
31 + (4*2^2 + 8*2) + (3*2^2 + 5*2 + 20) + (7*2 + 30) = 129
Answer:
C
Step-by-step explanation:
Angles on a straight line is 180
Actually:
1 5/8 simplifies to 1.625. Do 5.8 and get 0.625 then add 1. Its 1.625. So 1.625/1.625=1. Its the same thing with mixed number. (1 5/8) / 1.625 = 1