Add or subtract as indicated. Write the answer in simplest form.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply or divide the fractions. Reduce to simplest form.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the formula for the indicated variable.S = 2?rh + 2?r2, for h
A. h = 
- 1
B. h = 2?(S - r)
C. h = 
D. h = S - r
Mathematics
Multiply.-5 ? 
A. 
B. - 
C. 90
D. 
Mathematics
Find a positive angle less than 360° or 2? that is coterminal with the given angle.- 
A. 
B. 
C. 
D. 
Mathematics