Answer:
The answer is C.
Step-by-step explanation:
4 x 12 is how much money per worker per hour. 20 x 160 is how much the cost for the concrete. Adding them gets you the total cost.
Hope this helped!
answer:
138°
Step-by-step explanation:
180° is a supplementary angle and if it's 42° less it would be 138° 180-42=138
Commutative i believe <span />
Answer:
Step-by-step explanation:
80 + 8 + 0.0 + 0.08
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