Add or subtract. Express the answer as a mixed number.12
- 6
A. 6
B. 5
C. 4
D. 5
Answer: B
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Integrate the function f over the given region.f(x, y) = xy over the triangular region with vertices (0, 0), (2, 0), and (0, 3)
A. 
B. 
C. 
D. 
Convert the decimal number to the given base. 6784 to base sixteen
A. 1A81sixteen B. 01A8sixteen C. 1A80sixteen D. 1A08sixteen
Use the two steps for solving a linear programming problem to solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 35 counselors and 10 aides B. 12 counselors and 18 aides C. 18 counselors and 12 aides D. 27 counselors and 18 aides
Solve the problem.Your cable bill increased last year. For the first 5 months your bill was $25.89 each month. For the remaining 7 months it was $27.89 each month. Find the average amount of your cable bill for the year.
A. $32.47 B. $324.68 C. $27.06 D. $26.89