Perform the division.
A. x2 + 2x + 2
B. x2 - 4x + 2
C. x2 - 4
D. x2 + 4
Answer: D
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Solve using the percentage formula.35% of what number is 84?
A. 42 B. 0.42 C. 240 D. 2,400
Evaluate 
, where 
?
, 
?
Round the answer to two decimal places, if necessary
?
__________
Fill in the blank(s) with the appropriate word(s).
Consider the feasible set shown below that corresponds to a certain linear programming problem. Three of the boundary lines are labeled with their slopes. 
The objective function, x + 2y, assumes its minimum value at what point?
A. A. B. B. C. C. D. D. E. O.
Use set-builder notation to re-write the following: {...-4, -3, -2, -1, 0, 1, 2, 3}. ?
A. ?{x | x< 3} B. ?{x | x< 4} C. ?{x | x is an integer and x? 3} D. ?{x< 4 and x is an integer} E. ?None of the above.