Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 46 coins in all, valued at $4.20. The number of nickels is 10 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 11 dimes
B. 8 dimes
C. 6 dimes
D. 32 dimes
Answer: C
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Sam starts walking from point A at 1 miles per hour. One-half hour later, Paul starts walking from point A at 1.5 miles per hour and follows the same route. How long will it take Paul to catch up with Sam?
A. 60 minutes B. 65 minutes C. 55 minutes D. 70 minutes
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 3, 3) for 
+ 
+ 
= 0.
A. 
B. - 
C. 
D. - 
Answer the question. Give your answer in simplest form.A 6-minute egg is cooked for what fraction of an hour? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.
- 
= 1
A. center at (-2, 4)
transverse axis is parallel to x-axis
vertices at (-6, 4) and (2, 4)
foci at (-2 - 2
, 4) and (-2 + 2
, 4)
asymptotes of y - 4 = - 
(x + 2) and y - 4 = 
(x + 2)
B. center at (4, -2)
transverse axis is parallel to x-axis
vertices at (0, -2) and (8, -2)
foci at (4 - 2
, -2) and (4 + 2
, -2)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
C. center at (-2, 4)
transverse axis is parallel to x-axis
vertices at (-4, 4) and (0, 4)
foci at (-2 - 2
, 4) and (-2 + 2
, 4)
asymptotes of y - 4 = - 2(x + 2) and y - 4 = 2(x + 2)
D. center at (-2, 4)
transverse axis is parallel to y-axis
vertices at (-2, 0) and (-2, 8)
foci at (-2, 4 - 2
) and (-2, 4 + 2
)
asymptotes of y + 4 = - 2(x - 2) and y + 4 = 2(x - 2)