Solve the problem.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $240 for materials and equipment rental plus $45 per hour for labor. Company B gave an estimate of $300 for materials and equipment rental plus $30 per hour for labor. Create a cost equation for each company where y is the total cost of the landscaping and x is the number of hours of labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 7 hr
B. 4 hr
C. 8 hr
D. 3 hr
Answer: B
Mathematics
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Solve the equation.
= 5
A. {-8, 0} B. no solution C. {-8, 8} D. {8, 0}
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Solve for the unknown in the equation.2(X + 1) - 4 = 0
A. X = -3 B. X = 3 C. X = -1 D. X = 1
Mathematics
Determine the real solutions to the system of nonlinear equations.6x2 + y2 = 366x2 - y2 = 36
A. (0, 
), (0, -
)
B. (0, 6), (0, -6)
C. (
, 0), (-
, 0)
D. (6, 0), (-6, 0)
Mathematics
Factor the trinomial completely.4x3 + 8x2 - 60x
A. 4x(x + 5)(x - 3) B. 4x(x - 5)(x + 3) C. 4x(x + 5)(x + 3) D. 4x(x - 5)(x - 3)
Mathematics