Simplify the following by combining like terms.2m7 - 4m7
A. -2m14
B. -14m
C. -2m7
D. cannot be simplified
Answer: C
Mathematics
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Simplify the radical expression.
A. x2
B. x
C. x2
D. x
Mathematics
Find the exact value of the expression.sec 3105°
A. 
B. 2
C. 
D. - 
Mathematics
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)E = mc2 for c
A. c = Em
B. c = 
C. c = ± 
D. c = ± 
Mathematics
Evaluate the expression.
A. 1 B. 0! C. 10 D. 5
Mathematics