Answer:
D. 13
Step-by-step explanation:
You find the difference of the two temperatures
11-(-2)
11+2
13
20ft
2x-7=43
2x=50
x=25
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Perimeter: 2 1/8 + 3 1/2 + 2 1/2 = 7 (1 + 4 + 4)/8 = 7 9/8 = 8 1/8
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Answer:100mm