Find the root.
A. 4
B. -4
C. 16
D. Not a real number
Answer: D
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Determine which is the better buy.A 38 oz bag of flour for $12.92 or a 2 lb., 8 oz bag of flour for $12.00.
A. 2 lb., 8 oz bag of flour for $12.00 B. 38 oz bag of flour for $12.92 C. Not enough information D. Equal value
Solve the problem.A boat goes 160 miles downstream in the same time it can go 120 miles upstream. The speed of the current is 8 miles per hour. Find the speed of the boat in still water.
A. 28 mph B. 56 mph C. 48 mph D. 64 mph
Solve the linear programming 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. 12 counselors and 18 aides B. 35 counselors and 10 aides C. 18 counselors and 12 aides D. 27 counselors and 18 aides
Simplify the complex rational expression using Method I or Method II.
A. 
B. 
C. 
D. 