Bobby should grow an amount greater than 70-61 = 9 inches to become taller than 70 inches. Therefore, the correct answer is that Bobby must grow an amount of x> 9 inches to be taller than 70 inches.
Answer: -1/2(x-24)(x-8)
Step-by-step explanation:
The first quadrant ..........
B = 9
A = 9 root 2
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ArmyCee:)