Find the area.Express the answer in square millimeters. 
A. 60 mm2
B. 120 mm2
C. 1275 mm2
D. 40 mm2
Answer: A
Mathematics
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Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. What is the standard score for an exam score of 73 ?
A. -0.86 B. -1.2 C. 0.86 D. -0.83
Mathematics
Determine which numbers in the set are solutions to the equation.7n + n = 64; {8, 9, 512}
A. 512 B. 9 C. 8 and 9 D. 8
Mathematics
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A hemisphere with diameter 6 m
A. 63.6 m3 B. 31.8 m3 C. 113.0 m3 D. 56.5 m3
Mathematics