Answer:
what is the surface area of this shape? <u>328 yd</u>
Step-by-step explanation:
Surface area = 2 × (11×8 + 11×4 + 8×4)
Surface area = 2 × (88 + 44 + 32)
Surface area = 2 × 164
Surface area = 328 yd
Hello! The error that Clara made was that she didn't combine the r's together. For questions like these, we would combine like terms. The 6b part is correct, because 8b - 2b is 6b. But, the other r needs to be combined with the -4r, and in this case we would add, because subtracting a negative number turns the problem from subtracting to adding. -4r - (-r) is -3r. The correct result is really 6b - 3r.
Answer:
I do not now
Step-by-step explanation:
I am sorry
Answer:
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Step-by-step explanation: