Solve the system of equations.x + 2y + 5z = 19 4y + 5z = 8 z = 4
A. {(5, 4, -3)}
B. {(4, -3, 5)}
C. {(5, -3, 4)}
D. ?
Answer: C
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A. 
B. 
C. 
D. 
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A. 2191 ft B. 2200 ft C. 2208 ft D. 2224 ft
Provide an appropriate response.S = 6l2 is the formula for the surface area S of a cube with sides of length l. You have wrapping paper with surface area S. What is the length of the side of the largest cube the wrapping paper can cover?
Fill in the blank(s) with the appropriate word(s).
Determine whether the pair of lines is parallel, perpendicular, or neither. 3x - 8y = -20 48x + 12y = -20
A. Parallel B. Perpendicular C. Neither