Solve.x2 = 81
A. 40.5
B. -9, 9
C. -10, 10
D. 9
Answer: B
Mathematics
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Write an equation for the graph of the sine or cosine curve.
A. y = 10 sin 
B. y = 10 sin 
C. y = 10 sin (x)
D. y = 10 sin 
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Use the quadratic formula to solve the equation.6x2 + 5x + 8 = 0
A. 
B. 
C. 
D. 
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Fill in the blank with one of the words or phrases listed below.
If cross products are 
the proportion is false.
A. unit price B. equal C. unit rate D. not equal
Mathematics
Solve.-4x - 7 = -4 - 5x
A. 
B. - 
C. 3
D. 
Mathematics