Answer:
12
Step-by-step explanation:
6y - 3z
6(4) - 3(4)
24 - 12
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14.22
Step-by-step explanation: 1.58x9 meters=14.22 meters
8y^2 (y+2)
8y^3 + 16y^2
both terms contain an 8 and a y^2 so we can factor them out
