Use least common multiple or greatest common divisor to solve the problem.Rob can complete his bus route in 4 hours. Joan can complete her bus route in 2 hours. If they both left the terminal at 3:00 am and after each completed route returned to the terminal, determine the next time they would leave the terminal at the same time.
A. 5:00 am
B. 7:00 am
C. 11:00 am
D. Not enough information given to tell
Answer: B
Mathematics
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Find the first term and the common ratio of the geometric sequence.88, 44, 22, 11, 5.5, . . .
A. a1 = 0.5, r = 2 B. a1 = 88, r = 5.5 C. a1 = 0.5, r = -0.5 D. a1 = 88, r = 0.5
Mathematics
Provide an appropriate response.Find B to the nearest 0.1° if a = 235 ft and b = 767 ft. 
A. 73.0° B. 17.8° C. 72.2° D. 17.0°
Mathematics
Solve.The area of a circle is found by the equation A = ?r2. If the area A of a certain circle is 64? square centimeters, find its radius r.
A. 8 cm
B. 8
cm
C. ± 8 cm
D. 8? cm
Mathematics
Answer the question.True or False: The graph of the equation x = -15 is a vertical line.
A. True B. False
Mathematics