Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x + y + z = 92x - 3y + 4z = 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Divide and simplify.
÷ 
A. 
B. z + 3
C. 
D. 
Mathematics
Of the 585 tickets sold to a movie, 359 were full-price tickets costing $5.00 each. If the gate receipts were $2,416.50, what did a student ticket cost? Round your answer to the nearest cent. ?
A. $3.25 B. $3.75 C. $2.25 D. $4.75 E. $2.75
Mathematics
Simplify completely.
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.- 
A. 4k3q4
B. -4k3q4
C. -4k3q4
D. 4k7q8
Mathematics