Solve the equation.9b2 + 30b + 21 = -4
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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State the period of the function and graph.cos 
+ 2
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Mathematics
Solve the problem and simplify your answer completely.
of Mary's earned income is deducted from her paycheck for withholdings. 
of the withholdings are for taxes. What fraction of Mary's earned income is deducted for taxes?
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 4
C. 
D. 3
Mathematics
Find values for the variables so that the matrices are equal.
= 
A. x = 8; y = -3; z = 7 B. x = -3; y = 8; z = -7 C. x = 8; y = 7; z = -7 D. x = 8; y = -3; z = -7
Mathematics