Factor completely. If the polynomial cannot be factored, say it is prime.x2 - 64
A. (x + 64)(x - 64)
B. (x - 8)(x - 8)
C. (x2 + 8)(x2 - 8)
D. (x + 8)(x - 8)
Answer: D
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Use two equations in two variables to find the following integers:One integer is twice another. Their sum is 6.
A. 2, 4 B. 4, 8 C. 2, 8 D. 5, 1 E. no such integers exist
Solve the equation. Simplify. If the solution is an improper fraction, write it as a mixed number.
p = 1
A. p = 6
B. p = 7
C. p = 5
D. p = 4
Solve for the amount of discount and amount due.Invoice amt: $30.86Invoice date: July 9Terms: 2/10, net 30Date paid: July 24
A. Amount of discount: $6.17; amount due: $24.69 B. Amount of discount: $0; amount due: $30.86 C. Amount of discount: $0.62; amount due: $30.24 D. Amount of discount: $3.09; amount due: $27.77
Solve the linear system using an inverse matrix.x + 2y + 3z = 1x + y + z = 10x - 2z = 7
A. (1, 0, 0) B. (21, -32, 12) C. (31, -33, 12) D. (49, 67, 28)