Factor the expression completely. If the polynomial is prime, state this as your answer.x4 - t4
A. (x + t)2(x - t)2
B. (x2 + t2)(x2 - t2)
C. (x2 + t2)(x - t)(x + t)
D. (x2 + t2)(x - t)(x - t)
Answer: C
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with an error of magnitude no greater than 
A. -0.416 ? x ? 0.416 B. -0.518 ? x ? 0.518 C. -0.262 ? x ? 0.262 D. -0.331 ? x ? 0.331
Solve the problem.Since 2001, electronic payments made to an online company have increased exponentially.
Let f(t) be the number of electronic payments in the year that is t years since 2006. A possible equation of f is 
Predict the number of electronic payments that will be made in 2020.
A. 467 thousand B. 1269 thousand C. 3449 thousand D. 23 thousand
Solve the problem.A die is rolled 10 times. Find the probability of rolling no more than 4 ones.
A. Approximately 0.930 B. Approximately 0.155 C. Approximately 0.054 D. Approximately 0.985
Add or subtract.
- 
+ 
A. 
B. 
C. 
D. 