Convert the angle to DMS notation. Round your answer to the nearest second.40.865°
A. 40°51'87''
B. 40°51'54''
C. 40°51'60''
D. 40°51'42''
Answer: B
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Compute the gradient of the function at the given point.
A. - 
i - 
j
B. - 
i + 
j
C. - 
i - 
j
D. - 
i + 
j
Solve the problem.Find the foci and asymptotes of the following hyperbola:
- 
= 1
A. Foci: (-6, 0), (6, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (-10, 0), (10, 0); Asymptotes: y = 
x, y = - 
x
C. Foci: (0, -6), (0, 6); Asymptotes: y = 
x, y = - 
x
D. Foci: (0, -10), (0, 10); Asymptotes: y = 
x, y = - 
x
A hypothesis test is to be performed. State the null and alternative hypotheses.At one school, the average amount of time that tenth-graders spend watching television each week is 
The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased.
A. Null hypothesis: mean time = 21.6 hours Alternative hypothesis: mean time < 21.6 hours B. Null hypothesis: mean time = 21.6 hours Alternative hypothesis: mean time ? 21.6 hours C. Null hypothesis: mean time < 21.6 hours Alternative hypothesis: mean time = 21.6 hours D. Null hypothesis: mean time > 21.6 hours Alternative hypothesis: mean time < 21.6 hours
Solve the problem.Fred took his mother out to dinner for her birthday. The bill for the food was $63.20, the bill for drinks was $15.25. How much was Fred's 10% tip, rounded to the nearest dollar?
A. $6 B. $2 C. $96 D. $8