Let u represent , v represent , and w represent . Solve first for u, v, and w. Then solve the system of equations. +  +  = 

src="https://sciemce.com/media/4/ppg__ttt0701190814__f1q12g7.jpg" style="vertical-align: -17.0px;" /> -  +  = -  +  +  = 



A. (2, 1, -1)
B.
C. (-2, -1, -1)
D. (2, 1, 1)

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Answer: A

Mathematics

Write the set in set-builder notation.{48, 54, 60, 66,..., 108}

A. {x | x is a multiple of 6 between 42 and 114} B. {x | x is a multiple of 6 greater than 48} C. {x | x is a multiple of 6 between 48 and 108} D. {x | x is a multiple of 6}

Round the whole number to the given place value.68,593 to the nearest ten-thousand

A. 69,000 B. 70,000 C. 68,000 D. 68,600

Solve the problem.A customer at a store bought 4 bottles of juice and 5 fruit pies for a total cost of $57.00. If a bottle of juice costs $4.25, find the cost of a fruit pie.

A. $9.50 B. $7.25 C. $8.00 D. $8.50

Simplify. Assume that all variables represent positive real numbers.

A. 3x
B. 3x
C. 3x 
D. x