Solve the problem.A man earned $2500 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?
A. $8100
B. $8500
C. None of these
D. $5600
Answer: A
Mathematics
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Solve the problem.Suppose c(x) = x3 - 22x2 + 20,000x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 11 items B. 13 items C. 12 items D. 10 items
Mathematics
Solve the system by graphing.3x - 2y = 4-6x + 4y = 7
A. (1, 2) B. (2, 1) C. Dependent D. Inconsistent
Mathematics
Provide an appropriate response.Evaluate the following expression: 
- 
2 + 
A. - 
B. 
C. - 
D. 
Mathematics
Write the number as a binary numeral. ? ?11 ?
A. 1001 two B. 1011 two C. 1111 two D. 1010 two E. 11011 two
Mathematics