Find the solution or solutions, if any exist, to the system.
A. inconsistent system, no solution
B. infinitely many solutions of the form x = - 
- 
z, y = - 
+ 
z, z =z
C. infinitely many solutions of the form x = 8 - 
z, y = 1 - 
z, z = z
D. x = 0, y = 0, z = 1
Answer: B
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Solve the problem.A company manufactures two products. For $1.00 worth of product A, the company spends $0.40 on materials, $0.25 on labor, and $0.10 on overhead. For $1.00 worth of product B, the company spends $0.50 on materials, $0.20 on labor, and $0.10 on overhead. Let a = 
and b = 
.Then a and b represent the "costs per dollar of income" for the two products.Evaluate 100a + 400b and give an economic interpretation of the result.
What will be an ideal response?
Find all the zeros of the function and write the polynomial as a product of linear factors. ? y4 - 2401 ?
A. ±7; (y - 7)(y + 7) B. ±7, ±7i; (y - 7)(y + 7)(y - 7i)(y + 7i) C. 7, 7i; (y + 7)(y + 7)(y - 7i)(y - 7i) D. ±7i;(y - 7i)(y + 7i) E. ±7, ±7i; (y - 7)(y - 7)(y + 7i)(y + 7i)
Perform the indicated operation. Simplify if possible.
- 
A. 0 B. 4 C. 16 D. 3x
Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 