The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2. So the answer is b(2a+b)
sound travels 1129 feet per second through air. how far can sound travel in 2 seconds when traveling through air ?
1 answer:
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Answer:
y= 3x+1
Step-by-step explanation:
(You can describe the steps for your explanation. See below for the attachment)
