Solve.Erika spent 
hr on her computer visiting the history channel and the discovery channel websites. She spent 
hr at the history channel website. How many hours did she spend at the discovery channel website?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: B
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Provide an appropriate response.If 
converges, what can be said about 
, where k is an integer greater than 1?
A. The series always diverges. B. The series may converge or diverge. C. The series always converges.
Solve the problem.A plane is flying at a constant altitude of 6 miles and a constant speed of 400 miles per hour on a straight course that will take it directly over an observer on the ground. How fast is the angle of elevation of the observer's line of sight changing when the horizontal distance from her to the plane is d miles and the plane is moving away from her? Give your answer in radians per hour in terms of d.
A. - 
rads/hr
B. - 
rads/hr
C. - 
rads/hr
D. - 
rads/hr
Divide in the indicated base.3217 ÷ 67
A. 407 B. 357 C. 367 D. 257
Use a Venn Diagram and the given information to determine the number of elements in the indicated set.n(U) = 87, n(A) = 38, n(B) = 27, n(C) = 42, n(A ? B) = 10, n(A ? C) = 9, 
and 
Find 
A. 5 B. 28 C. 24 D. 4