Find the vertex of the parabola associated with the quadratic equation.y = -x2 - 13x + 5
A. (13, -333)
B. (-13, 5)
C. 
D. 
Answer: D
Mathematics
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Divide and round to the nearest tenth.
?
?
A. 0.9 B. 1.3 C. 0.6 D. 0.7 E. 0.8
Mathematics
Solve.
= 
A. x = 
B. x = - 1
C. x = 1
D. x = 
Mathematics
Solve the problem.If Gloria received a 12 percent raise and is now making $22,400 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $20,000 B. $20,400 C. $21,000 D. $19,712
Mathematics
Solve the problem.
Find the price per share of ARCDX for the previous day.
A. $10.27 B. $10.52 C. $10.34 D. $10.55
Mathematics