Solve the equation.
= 
A. {-12}
B. {-8}
C. {12}
D. {8}
Answer: B
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Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 13 inches by 22 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(13 - 2x)(22 - 2x) B. V(x) = (13 - x)(22 - x) C. V(x) = (13 - 2x)(22 - 2x) D. V(x) = x(13 - x)(22 - x)
Find the indicated sum. Find the sum of the first 8 terms in the geometric series 3 - 6 + 12 - . . .
A. -257 B. -765 C. 765 D. -255
Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
- 
A. 12
B. 1
C. 
D. 
Solve the problem.A dual-beam search light is positioned to shine on a prison wall. The light is 1 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on 
After t seconds the distance (in feet) from the beam on the wall to the point P is given by the function 
When the light beam is to the right of P, the value of d is positive, and when the beam is to the left of P, the value of d is negative. Graph d over the interval 0 ? t ? 5. 
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A. 
B. 
C. 
D. 