Solve the problem.Juanita is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $210 for materials and equipment rental plus $55 per hour for labor. Company B gave and estimate of $250 for materials and equipment rental plus $45 per hour for labor. If 4 hours of labor are required, which estimate is lower?
A. Company B' estimate is lower
B. Company A' estimate is lower
C. Both estimates are the same
D. There is not enough information to determine which estimate is lower.
Answer: C
Mathematics
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A. 
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C. 
-4 = 
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a. (4,0) b. (0,4) c. (2,3) d. (3,2) e. (3,8)
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A. {x
-2 < x < 2}, or (-2, 2)
B. {x
x > 2}, or (2, ?)
C. {x
x < -2 or x > 2}, or (-?, -2) ? (2, ?)
D. {x
x < -2}, or (-2, ?)
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Simplify the expression.(y3)9 ? (y4)5
A. y94 B. y108 C. y57 D. y47
Mathematics