Provide an appropriate response.Calculate: 42 ? 53
A. 3888
B. 120
C. 100
D. 2000
Answer: D
Mathematics
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Write as Decimal Number.Twenty-one hundredths
A. 20.1 B. 0.021 C. 0.21 D. 21
Mathematics
Solve the problem. Round to the nearest tenth.Find the percent increase (or decrease) in net sales from last year to this year for the income statement. 
A. 6.3% decrease B. 6.9% increase C. 6.3% increase D. 6.9% decrease
Mathematics
Find the unknown length in the right triangle. Give an exact answer and a decimal approximation rounded to three decimal places.
A. b = 405 m
B. b = 
m; b ? 3.000 m
C. b = 
m; b ? 32.450 m
D. b = 
m; b ? 20.125 m
Mathematics
Find the quantity if v = 5i - 7j and w = 3i + 2j.
A. 2
+ 
B. 
+ 
C. 
D. 
Mathematics