Solve the combined inequality and graph the solution set. Write the solution in interval notation.9x + 2 > 8x + 1 ? 15x
A. (-?, ?)
B. ?
C. 
D. 
Answer: D
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Identify the like terms in the given expression. Then identify the coefficients of the like terms.8x2y + 9xy + 
xy2 + 12x + 8xy + 
x2y3 + 12
A. Like Terms: 8xy and 12x
Coefficients: 8 and 12
B. Like Terms: 9 and 8
Coefficients: 9xy and 8xy
C. Like Terms: 8x2y and 
xy2
Coefficients: 8 and 
D. Like Terms: 9xy and 8xy
Coefficients: 9 and 8
Solve the problem.An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.
A. 4 in. by 9 in. B. Not enough information C. 5 in. by 9 in. D. 5 in. by 10 in.
Solve the problem.Suppose that the labor cost for a building is approximated by 
where x is the number of days of skilled labor and y is the number of days of semiskilled labor required. Find the x and y that minimize cost C.
A. x = 36, y = 180 B. x = 8, y = 60 C. x = 16, y = 120 D. x = 60, y = 36
Write the mixed number as a decimal.11
A. 11.8
B. 11.
C. 11.80
D. 11.83