Write the prime factorization for the number.684
A. 2 ? 2 ? 3 ? 3 ? 19
B. 2 ? 2 ? 2 ? 3 ? 3 ? 19
C. 3 ? 3 ? 3 ? 3 ? 19
D. 2 ? 2 ? 2 ? 2 ? 19
Answer: A
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Solve the rational equation. If there is no solution, state this as your answer.
- 
= 
A. {-18}
B. {18}
C. {-3}
D. 
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x - 10)2
A. x2 + 100 B. 100x2 - 20x + 100 C. x + 100 D. x2 - 20x + 100
Fill in the blank with one of the words or phrases listed below.
A term that is a number only is called a(n) 
.
A. numerical coefficient B. equation C. constant D. variable
Solve the problem.The percentage P of doctors who accept a new medicine is given by P(t) = 100(1 - e-0.10t), where t = time in months.How many months will it take for 87% of the doctors to accept the new medicine?
A. 18 months B. 23 months C. 21 months D. 26 months