Perform the indicated operation.(5x2 + 3x + 18) - (7x2 + 5x - 12)
A. -2x2 + 10x + 6
B. 26x13
C. -2x2 - 2x + 30
D. -2x2 - 2x + 6
Answer: C
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Provide an appropriate response.Solve using a system of equations with two unknowns: Three T-shirts and two pairs of jeans cost $118. A T-shirt and three pairs of jeans cost $114. How much does a pair of jeans cost?
A. $18 B. $42 C. $58 D. $32
Find an equation of the line that contains the given point and is parallel to the given line.6x + 7y = 111, (8, 12)
A. y = - 
x + 111
B. y = - 
x + 12
C. y = - 
x + 
D. y = 
x + 
Solve the problem.The sprocket assembly on a bicycle consists of a chain and two sprockets, one on the pedal and the other on the rear wheel. If the sprocket on the pedal is 
in diameter, the sprocket on the rear wheel is 
in diameter, and the rear wheel is 
in diameter, how fast is the bicycle traveling in miles per hour when the cyclist is pedaling at the rate of 
style="vertical-align: -4.0px;" /> per second? Round your answer to the nearest tenth mph. A. 12.4 mph B. 7.4 mph C. 8.4 mph D. 10.4 mph
Find the product.-0.2(3.99)
A. 4.19 B. 0.798 C. 3.79 D. -0.798