Solve the problem.Let 
be the cost to manufacture x items. Find the average cost per item to produce 80 items. Round to the nearest dollar.
A. $160
B. $214
C. $91
D. $169
Answer: C
Mathematics
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The life expectancy E, in years, for a child born t years after 2000 is given by
.
In what birth year would a child have a life expectancy of 78.06 years?
?
A. 2010 B. 2008 C. 2006 D. That life expectancy never occurs.
Mathematics
Find y '.y = (5x3 + 9)(5x7 - 8)
A. 250x9 + 315x6 - 120x B. 20x9 + 315x6 - 120x2 C. 250x9 + 315x6 - 120x2 D. 20x9 + 315x6 - 120x
Mathematics
Find the greatest common divisor of the number by the method of intersection of sets of divisors.120, 1000, and 4500
A. 40 B. 50 C. 30 D. 20
Mathematics
Find the equation of the line described, and express your answer in the specified form.Parallel to the line y = 9; passes through the point (7, 5); standard form
A. y = 9 B. y = 5 C. y = -5 D. y = 7
Mathematics