Simplify the expression. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the requested trigonometric function using the information given. sec ? = 
; 3?/2 < ? < 2?Find tan ?.
A. - 
B. - 
C. - 
D. - 
Mathematics
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.9
days to 2
weeks
A. 
B. 
C. 
D. 
Mathematics
Solve the system by substitution.
A. 
B. (0, 0)
C. (4, 7)
D. 
Mathematics
Find the sum.
A. - 
B. - 
C. - 
D. - 
Mathematics