Answer:
-40 square root of 10k²
Step-by-step explanation:
Surface area of small sphere = 1441cm^2
Surface area of bigger sphere = 2567cm^2
Surface area of largest sphere = 1441 + 2567
= 4008cm²
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It should be |-80+15|=65 units because absolute value makes it positive.
D. The solution is 35, which represents the number of miles she runs each week.
