Use the roster method to identify the elements of the set.The letters needed to spell these words:toot, tot, too, to
A. {t,o}
B. {t,t,o}
C. {t,t,o,o}
D. {t,o,o}
Answer: A
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Find the greatest common factor of the numbers.120 and 280
A. 5 B. 40 C. 20 D. 8
Calculus can be used to find the slope of the line tangent to a curve. The slope of the tangent to the curve 
at 
is f'(a). Use f'(x) to find the slope of the tangent to 
at the given value of x.f'(x) = 6x3 - 2x2 + 5x - 19 at x = -2
A. -69 B. -85 C. -75 D. 85
Solve the problem.In how many ways can a class president and a class secretary be chosen from a group of 8 candidates?
A. 16 B. 15 C. 56 D. 336
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.Temperatures given in a weather forecast for Alaska
A. Natural numbers
B. Rational numbers
C.
| Integers |