Solve the equation.
+ 
= 4
A. {0}
B. {-2}
C. {
, -2}
D. {2, -2}
Answer: B
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Simplify the expression. Assume that all variables are positive when they appear.(9
)(9
)
A. 567
B. 567
C. 81
D. 3969
Find a function P(x) defined by a polynomial of degree 3 with real coefficients that satisfies the given conditions.Zeros of -3, -1, 4 and P(2) = 10
A. P(x) = - 
- 
- 4
B. P(x) = 
+ 
- 4
C. P(x) = - 
+ 
+ 4
D. P(x) = 
- 
- 4
Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the names of each decorator and the size of the room. 
Give the names of the decorators who will have both enough paint and enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Rosa, Pedro} B. {Noriko, Sun Woo} C. {Mary, John} D. None
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 3 and x ? -1
A. (-?, -1] ? [3, ?)
B. [-1, 3]
C. (-1, 3)
D. ?