Answer: 27
Explanation:
P = 2(l+w) = 2 · (9 + 4.5) = 27
6²+8²=c²
36+64=c²
c²=100
c=10
A because the graph of a direct proportion crosses the origin.
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Assuming the frame is rectangular, the perimeter is 2*width + 2*length. so 5*2 + 2*length = 24. subtract ten from both sides to get the 14 = 2*length. the length = 7.
