Answer: 
Step-by-step explanation:
By the geometric mean theorem,
So, by the Pythagorean theorem,
Answer:
D) 2/3
Step-by-step explanation:
Constant of proportionality formula:
k = y/x
8/12 = 2/3
10/15 = 2/3
12/18 = 2/3
14/21 = 2/3
14.35/5= $2.85 per pane of glass
2.85*2= $5.70
$2.55. 0.15×3=0.45. So then you would take off 45 cents of the original 3 dollars to get $2.55
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➷ Perimeter is all the lengths added together
All lengths of a square are the same so you divide by 4
38/4 = 9.5
Each side is 9.5 inches
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