Perform the indicated operations. Write the resulting polynomial in standard form.(2x + 5)3
A. 4x6 + 10x3 + 15,625
B. 8x3 + 60x2 + 150x + 125
C. 8x3 + 60x2 + 60x + 125
D. 4x2 + 20x + 25
Answer: B
Mathematics
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Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
Mathematics
Simplify.
A. 
B. 
C. 
D. 1
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Mathematics