Step-by-step explanation:
y=2(x+3)² y=x²
x²=2(x²+9+6x)
x²=2x²+18+12x
0=x²+18+12x
x²+18+12x=0
Answer:
4 hours
Step-by-step explanation:
First we need to subtract the one pay fee (the helmet rental fee, $15)
So 51 - 15 = 36
Then we need to divide 36 by the amount of money it costs for each hours to find how many hours he rented the bike
So 39/9 = 4
Answer:
B - 8 1/5 acres
Step-by-step explanation:
1. Subtract 7 1/4 - 2 1/14 (what he sold) = 5 acres
2. Add 5 + 3 1/5 (what he bought) = 8 1/5 acres
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