Perform the indicated operations.
2 + 
2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Add or subtract. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Round off a measurement of 5m to three significant digits.
A. 5.m B. 5.00m C. 500m D. undetermined
Mathematics
Solve the problem.Andrea's sleeping bag is designed for camping in temperatures of 5°C or warmer. For what Fahrenheit temperatures is her sleeping bag designed? Round to the nearest tenth of a degree.
A. -15.0° F or warmer B. 41.0° F or warmer C. -29.2° F or warmer D. 66.6° F or warmer
Mathematics
Find the reference angle for ?. ? = 
A. 
B. 
C. 
D. - 
Mathematics