If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.x4 - 625
A. (x2 + 25)(x + 5)(x - 5)
B. (x2 + 25)(x2 + 25)
C. Prime
D. (x2 - 25)(x2 - 25)
Answer: A
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Write a system of three inequalities that describe the constraints in the problem.An office manager is buying used filing cabinets. Small file cabinets cost $4 each and large file cabinets cost $11 each, and the manager cannot spend more than $57 on file cabinets. A small cabinet takes up 6 square feet of floor space and a large cabinet takes up 9 square feet, and the office has no more than 63 square feet of floor space available for file cabinets. The manager must buy at least 6 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought.
A. 4x + 11y ? 57; 9x + 6y ? 63; x ? 6 B. 4x + 11y ? 57; 6x + 9y ? 63; x + y ? 6 C. 4x + 11y ? 57; 6x + 9y ? 63; x + y ? 6 D. 4x + 11y ? 57; 6x + 9y ? 63; y ? 6
Combine like terms in the expression. Answer "not possible" if terms cannot be combined.11yz + 7yz
A. 18yz B. 36yz C. 77y D. 18y2z
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12