Express in terms of a base raised to a positive exponent. Then simplify, if possible.(-5)-4
A. - 
B. -625
C. 625
D. 
Answer: D
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Solve the system using matrices. x + y + z = -2 x - y + 3z = -42x + y + z = 1
A. No solution B. (-3, 3, -2) C. (3, -2, -3) D. (-3, -2, 3)
Determine whether the statement is true or false.9 ? 2 - 7 ? 8 ? 0
A. False B. True
Solve the problem.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 5 seconds, the gauge on the bottle indicates that it contains 25 ounces of water. After it has been filling for 12 seconds, the gauge indicates the bottle contains 53 ounces of water. Find and interpret the average rate of change in the volume of water per second.
A. 4 ounces per second; the average rate of change in the volume of water is 4 ounces per second.
B. 41 ounces per second; the average rate of change in the volume of water is 41 ounces per second.
C. 5 ounces per second; the average rate of change in the volume of water is 5 ounces per second.
D. 
ounce per second; the average rate of change in the volume of water is 
ounce per second.
Factor the sum or difference of cubes.z3 - 1
A. (z + 1)(z2 - z + 1) B. (z - 1)(z2 - 2z + 1) C. (z - 1)(z2 - 1) D. (z - 1)(z2 + z + 1)