Answer:
m+12
Step-by-step explanation:
m+12
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1.Add the 2 digits which is 3+7=10
2.Add the digits inside which is 0.7+1.3=2
3.Add the inside and outside
3+7(0.7+1.3)
10(2)=20
Area = (1/2)(base)(height)
48 = (1/2)(12+12)(height)
48 = (1/2)(24)(h)
48 = 12h
h = 48/12
h = 4 units
Letter B
Use a calculator it will help.