Solve the system by elimination. 7x + 8y = 24 2x - 2y = -6
A. {(0, 3)}
B. {(0, 4)}
C. {(-1, 4)}
D. ?
Answer: A
You might also like to view...
Use the commutative property of multiplication to write an equivalent algebraic expression.4 ? x
A. 4x
B. x ? 4
C. 
D. x + 4
Provide an appropriate response.What is 78 decreased by 21?
A. 99 B. 137 C. 57 D. 55
Solve the problem. Round to the nearest dollar unless otherwise stated.A contractor made the following purchases of door frames:Beginning inventory:24 frames at $19.00June:36 frames at $13.60August:50 frames at $11.00September:17 frames at $23.00Inventory at year end shows that 40 frames remain. Find the inventory value using the weighted average, FIFO, and LIFO methods.
A. Weighted average: $920 FIFO: $644 LIFO: $760 B. Weighted average: $920 FIFO: $644 LIFO: $674 C. Weighted average: $594 FIFO: $644 LIFO: $674 D. Weighted average: $594 FIFO: $920 LIFO: $760
Solve the system of equations.4x + 3y + 3z = 4-8x - 6y - 6z = -86x + 12y + 9z = 4
A. ?
B. 
C. 
D. {(x, y, z) ? 4x + 3y + 3z = 4}