Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 - 8x
A. (4, -16); x = 4
B. (-4, 16); x = -4
C. (16, -4); x = 16
D. (-16, 4); x = -16
Answer: B
Mathematics
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Change to a percent.
A. 
%
B. 33
%
C. 3
%
D. 
%
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Write the complex number in trigonometric form. Round the angle to the nearest hundredth of a degree.
?
What will be an ideal response?
Mathematics
Write and solve an equation to find the percent increase or decrease. Round your answer to the nearest tenth of a percent, if necessary.The price of a printer was reduced from $400 to $260. What was the percent of decrease?
A. 35% B. 65% C. 53.8% D. 40%
Mathematics
Classify as an expression or an equation.5x - 2y = 5
A. Equation B. Expression
Mathematics