Multiply. Assume that all variables represent non-negative real numbers.(
- 1)2
A. x + 2
+ 8
B. 8x - 2
+ 1
C. x - 2
+ 64
D. 8x + 2
- 1
Answer: B
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Solve the problem.A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 3 feet longer than the length of a shelf. If 24 feet of lumber is available for the entire unit (including the shelves, but NOT the back of the bookcase), find the length and height of the unit.
A. length = 3 feet; height = 9 feet B. length = 4.5 feet; height = 7.5 feet C. length = 10.5 feet; height = 13.5 feet D. length = 3 feet; height = 6 feet
Find the exact value of the indicated trigonometric function of ?, if ? is an angle in standard position whose terminal side contains the given point.(-20, 48); Find sin ?.
A. 
B. - 
C. 
D. - 
Subtract.(10x + 27xy - 16y) - (12x - 23xy - 29y)
A. 61xy B. -17x + 2xy + 45 C. -2x - 50xy - 45y D. -2x + 50xy + 13y
Graph the given numbers on a number line.
?
?
A. 
B. 
C. 
D. 