Answer: $129
Step-by-step explanation: First, you round 2.75 up to 3 and then you multiply by 43. Boom, $129.
The perimeter of a rectangle is the sum of its sides, which are two widths and two lengths:
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Since the length is twice the width, we have
, and the formula for the perimeter becomes
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So, we have
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Answer:
The answer is 20.
Step-by-step explanation:
Answer:
7x² + 5x
Dtep-by-step explanation:
(9x² + 8x) - (2x² + 3x)
9x² + 8x - 2x²- 3x
7x² + 5x