Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $70 Amount of discount: $14.00
A. 2%, $56.00
B. 21%, $56.00
C. 20%, $56.00
D. 22%, $56.00
Answer: C
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Use completing the square to rewrite the equation in one of the standard forms for a conic and identify the conic.x2 + 8x - y + 12 = 0
A. 
+ 
= 1; ellipse
B. y = (x + 4)2 - 4; parabola
C. x2 + y2 = 16; circle
D. 
- 
= 1; hyperbola
Factor completely.x2 + 9x + 10
A. (x + 5)(x - 2) B. (x - 5)(x + 2) C. (x + 10)(x - 1) D. prime
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.5(4x + 5) - 4x < 4(6 + 4x) - 6
A. (-?, ?)
B. (5, ?)
C. (-?, 5)
D. ?
Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 134 feet and a maximum height of 30 feet. Find the height of the arch at 10 feet from its center.
A. 7.4 ft B. 29.3 ft C. 0.2 ft D. 2.7 ft