Perform the indicated operation. Make sure you simplify your final answer.
? 
A. 
B. 
C. 
D. 1
Answer: B
Mathematics
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Decide whether the ordered pair is a solution of the given system.(5, -3)x + y = 2x - y = 8
A. No B. Yes
Mathematics
Solve.In this expression, which symbol is the base?36
A. 36 B. 6 C. 3 D. There is no base in this expression.
Mathematics
Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.For the function 
with domain of 
find the range.
A. (-?, 9] B. (-?, -3] C. [9, ?) D. [7, 9]
Mathematics