Factor the sum or difference of two cubes.x6 - y3
A. (x2 - y)(x4 + x2y + y2)
B. (x2 + y)(x4 - x2y - y2)
C. (x2 + y)(x4 + x2y + y2)
D. (x2 + y)(x4 - x2y + y2)
Answer: A
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Solve the problem.The table below shows the number of people testing positive for a certain disease amongst those who do have the disease and amongst those who don't. Use the table to answer the question. 
What percentage of those that have the disease tested positive?
A. 89% B. 9.3% C. 91.1% D. 12%
Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Is the following correspondence a function??
A. Yes B. No
Solve.You are a freshman in high school and plan to attend the local community college in four years. Your parents said they would pay for your college tuition, fees, and books for the first year. You estimate that $5,000 will be needed to cover these expenses. Your parents have done some research and decided on a four-year CD with an interest rate of 4.7% compounded monthly. How much will they have to invest now to have $5,000 in 48 months?
A. $4,343.64 B. $4,922.43 C. $4,144.60 D. $2,854.01