Find the standard form of the equation of the parabola with the given characteristic and vertex at the origin.
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Directrix: 
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Solve the problem.Two angles are supplementary. One angle is 104° less than three times the other. Find the measures of the angles.
A. 60°, 76° B. 76°, 104° C. 71°, 109° D. 66°, 114°
Mathematics
Solve.A rectangular room measures 11 ft by 13 ft. Find the cost of installing a strip of wallpaper around the room if the wallpaper cost $0.67 per foot.
A. $191.62 B. $16.08 C. $95.81 D. $32.16
Mathematics
Solve the equation 
by factoring.
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Please enter your answer as two numbers, separated by a comma.
What will be an ideal response?
Mathematics
Evaluate the expression and simplify completely.
A. 
B. 
C. 
D. 
Mathematics