Solve the problem.Suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling 5 or 4. What are your expected winnings?
A. $1.00
B. -$2.00
C. $0
D. $3.00
Answer: C
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (3 + 2t2)i + (2t2 - 2)j + (5 - t2)k, 1 ? t ? 2
A. 27 B. 9 C. 45 D. 15
Mathematics
Find the probability.Based on meteorological records, the probability that it will snow in a certain town on January 1st is 0.300. Find the probability that in a given year it will not snow on January 1st in that town.
A. 3.333 B. 0.429 C. 0.7 D. 1.300
Mathematics
Simplify the fraction, if possible.
A. 7 B. -7 C. 0 D. undefined
Mathematics
Find an equation for the hyperbola described.Vertices at (0, -6) and (0, 6); asymptote the line y = 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics