Solve. If the area of a square is represented by the expression 
find an expression for the length of each side.
A. (2x - 7)2
B. 2x + 7
C. (2x - 7)(2x + 7)
D. 2x - 7
Answer: D
Mathematics
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If f(x) = -7, then x = ?
A. -2 B. 2 C. 0 D. Cannot be determined
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using substitution.
A. x = -8, y = 5 B. x = 8, y = 5 C. x = -8, y = -5 D. x = 8, y = -5
Mathematics
Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominator where necessary.sec ? = 
Find tan ?.
A. 
B. 
C. 
D. 
Mathematics