Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $25 for the repairman to come to the house, to which a charge of $27 per hour is added. Find an equation that can be used to determine the labor cost, C(x), of a repair that takes x hours.
A. C(x) = ( 25 + 27) x
B. C(x) = 25 + 27x
C. C(x) = 27 + 25x
D. C(x) = 25 - 27x
Answer: B
Mathematics
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Graph the linear inequality.y < - 
x
A. 
B. 
C. 
D. 
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Use Euler's formula to answer the question.A prism has 10 faces. How many vertices and edges does it have?
A. 24, 24 B. 16, 24 C. 24, 16 D. 16, 16
Mathematics
Solve the problem.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 26 ft and the vertical clearance must be 10 ft at a point 12 ft from the center. Find an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Give all possible rational zeros for the polynomial.f(x) = 26x7 + 104x3 + 2x - 13
A. ±1, ± 
, ±13, ± 
, ± 
, ± 
B. ±1, ± 
, ±13, ± 
, ± 
C. ±1, ±13, ± 
D. ±1, ± 
, ±2, ± 
, ±13, ±26
Mathematics