Factor.x3 - 512
A. (x - 8)(x2 + 8x + 64)
B. (x - 8)(x2 + 64)
C. (x + 8)(x2 - 8x + 64)
D. (x + 512)(x2 - 1)
Answer: A
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Solve the problem.A rectangular field is to be enclosed with 1190 feet of fencing. If the length of the field is 75 feet longer than the width, then how wide is the field?
A. 410 ft B. 260 ft C. 365 ft D. 335 ft
Set up a matrix equation with integer values that is equivalent to the system of equations.
What will be an ideal response?
Solve the problem.A computer manufacturer has three outlet stores that sell its four computer systems. The following table shows the numbers of systems sold by the three stores in July.
The prices of the systems are: $1200 for System 1, $1500 for System 2, $1600 for System 3, and $1700 for System 4. Write the information from the table as a 4 x 3 matrix B. Write a row matrix A for which the entries represent the prices for the systems. If 
find c12. What does this entry of C represent?
A. c12 = 151,000. c12 represents the total sales at Store 1 in July. B. c12 = 173,000. c12 represents the total sales at Store 2 in July. C. c12 = 141,000. c12 represents the sales of System 2 at all stores in July. D. c12 = 161,000. c12 represents the total sales at Store 3 in July.
Evaluate the expression. Write your answer without negative exponents.90 + (-3)0
A. 2 B. 0 C. 6 D. 1