Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $30 for the repairman to come to the house, to which a charge of $26 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) = 30 - 26x
B. C(x) = 26 + 30x
C. C(x) = 30 + 26x
D. C(x) = ( 30 + 26) x
Answer: C
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Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (3 sin 
t)i + (3 cos 
t)j + 12tk, 2 ? t ? 4
A. 
B. 
C. - 
D. 
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure that is at most 12.5?
A. Addison, Branson, Cumberland, Dixson, Kendall, Putnum B. Hendricks C. Addison, Branson, Cumberland, Kendall, Putnum D. Dixson, Hendricks
Find the mean, median, and mode. Round to the nearest tenth when necessary.Given these box scores: -4, -2, 6, 9
A. 2.3, 2, -2 B. 1.8, 2, 6 C. 2.3, 2, none D. 0, 2, none
Provide an appropriate response.When converting decimals to fractions, the denominator: I. is found by writing 1 followed by as many zeros as there are places to the right of the decimal point II. is the same as the numerator
A. both I and II B. I only C. neither I or II D. II only