Solve the problem.Gerardo and Jaime like to exercise together by running laps on a track. Gerardo can complete 1 lap every 7 minutes, but it takes Jaime 9 minutes to complete 1 lap. If they start running from the same point on the track at the same time, in how many minutes will they be at the same point again?
A. 126 minutes
B. 63 minutes
C. 16 minutes
D. 189 minutes
Answer: B
Mathematics
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Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.
, - 
, 
, - 
, ...
A. an = 
- 
(n - 1)
B. an = 
- 
(n - 1)
C. an = 
n - 1- 
D. an = 
n - 1
Mathematics
Determine the number of significant digits in the given approximate number.0.05002
A. 2 B. 6 C. 5 D. 4
Mathematics
Establish the identity.csc
= sec u
What will be an ideal response?
Mathematics
Solve the problem.A vertical right circular cylindrical tank measures 22 ft high and 10 ft in diameter. It is full of oil weighing 
How long will it take a 1/2 hp pump, rated at 
to pump the oil to the level of the top of the tank? Give your answer to the nearest minute.
A. 22 min B. 4147 min C. 138 min D. 69 min
Mathematics