Solve the rational inequality. Express your solution on a number line using interval notation. 
? 0
A. (-?, 1) ? (3, ?)
B. (-?, 1] ? [3, ?)
C. (-?, -3] ? (-2, -1) ? [1, ?)
D. (-?, -3) ? (-1, ?)
Answer: B
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Solve the problem.You need to borrow $1000 to cover your school expenses for 11 months. After calling several places, you can choose between a money store charging 18% simple interest per year or your family who will charge you 11% per year. How much will you save by borrowing from your family?
A. $110.00 B. $265.83 C. $770.00 D. $64.17
Find the product.(3xy - 10)(9xy + 5)
A. 27x2y2 - 75xy - 75 B. 12x2y2 - 75xy - 50 C. 12x2y2 - 75xy - 75 D. 27x2y2 - 75xy - 50
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x6 - 4x5 - 8x4 + 7) + (2x6 - 9x5 - 8x4 + 8)
A. -23x30 + 15 B. -2x6 - 2x5 + 12x4 - 2 C. 6x6 - 13x5 - 16x4 + 15 D. 6x12 - 13x10 - 16x8 + 15
Solve the equation by factoring.12x2 - 5x - 25 = 0
A. 
B. 
C. 
D. 