Factor the expression completely. If the polynomial is prime, state this as your answer.4k3 + 108
A. 4(k + 12)(k2 - 12k + 36)
B. 4(k - 3)(k2 + 3k + 9)
C. 4(k + 3)(k2 - 3k + 9)
D. 4(k + 3)(k2 + 3k + 9)
Answer: C
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Solve the equation.3(r - 3) + 4(r - 2) = -2(r - 6) + 10(r + 2)
A. r = –57 B. r = –54 C. r = –49 D. r = –46 E. r = –44
Solve the problem.The half-life of plutonium-234 is 9 hours. If 60 milligrams is present now, how much will be present in 6 days? (Round your answer to three decimal places.)
A. 0.59 B. 37.797 C. 19.793 D. 0.001
Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Solve the problem.Sally will pay $14,400 on her student loan over the next 5 years. If $240 is automatically deducted from her bank account each month to pay off the loan, how much does she still owe after one year?
A. $11,520 B. $2880 C. $17,280 D. $12,000