Simplify.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the equation of the line described, and express your answer in the specified form.Parallel to the line y = 2; passes through the point (6, 9); standard form
A. y = -9 B. y = 2 C. y = 9 D. y = 6
Mathematics
Solve the equation.x(3x + 6) = 0
A. {0, 2}
B. 
C. {0, -2}
D. 
Mathematics
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.cos 
A. 
B. 
C. - 
D. - 
Mathematics
Solve and check. Use the square root principle to eliminate the square.(x - 7)2 = 4
A. ±2 B. 5, -9 C. 9, 5 D. 11
Mathematics