Solve the equation. First simplify the expression by combining like terms.4.5x - 3.8 - 7.9x = -3.4x - 3.8
A. { -1 }
B. { -3.4 }
C. { 0 }
D. { 1 }
Answer: C
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A child has 100 blocks that are 1-inch cubes. She arranges the blocks into a solid rectangle of length L and width W. The relationship between L and W is given by
.
A. Use a formula to express the perimeter P in terms of L and W.B. Use the relationship between L and W to express the perimeter in terms of L only.C. What values of and W give the smallest possible perimeter?
What will be an ideal response?
Perform the indicated operations and write the result in standard form.(
- 
)(
+ 
)
A. 11 B. 2 - 9i C. -7 D. 2 + 3i
Determine the eccentricity, the type of conic, and the directrix.r = 
A. Eccentricity = 
; ellipse; directrix y = - 
B. Eccentricity = 
; hyperbola; directrix y = 
C. Eccentricity = 
; parabola; directrix y = - 
D. Eccentricity = 
; ellipse; directrix y = - 
Find the limit algebraically.
(3x2 - 19)2
A. 144 B. -352 C. 100 D. 256