Solve the problem.The Fahrenheit temperature, F, in Siber City in October ranges from  Write an absolute value inequality whose solution is this range.

A.  < 57
B.  < 15
C.  < 72
D.  > 42


Answer: B

Mathematics

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Solve the problem.Suppose c(x) = x3 - 22x2 + 10,000x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.

A. 10 items B. 13 items C. 12 items D. 11 items

Mathematics

Write the fraction in simplest form.

A.
B.
C.
D. 5y

Mathematics

Add the polynomials.(3z2 + 6z + 9) + (z3 + 2z + 6)

A. 4z2 + 8z + 15 B. 4z3 + 8z + 15 C. z3 + 3z2 + 8z - 15 D. z3 + 3z2 + 8z + 15

Mathematics

Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary. = 

A. x = 24.7 B. x = 6.2 C. x = 1.53 D. x = 24.70

Mathematics