Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.
x2 + 
x + 
A. 
(x - 7)(x - 1)
B. 3(x + 7)(x + 1)
C. 
(x + 7)(x + 1)
D. Prime
Answer: C
Mathematics
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Determine whether the first number is divisible by the second number.513; 19
A. Yes B. No
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Convert the units using two or three unit fractions.6 wk = 
min
A. 60,480 B. 10,080 C. 43,200 D. 30,240
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Solve the problem.At age 50, Ann must choose between taking $21,000 at age 60 if she is alive then, or $31,000 at age 70 if she is alive then. The probability for a person aged 50 living to be 60 and 70 is 0.85 and 
, respectively. Using expected value, what is Ann's best option?
A. $31,000 at age 70 B. $21,000 at age 60
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Write the expression in standard form.
+ 
A. -13 B. -13i C. 40i D. 13i
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