Use least common multiple or greatest common divisor to solve the problem.Three clocks chime every 21 minutes, 39 minutes, and 91 minutes, respectively. If the three clocks chime together, how much time must pass before they will chime together again?
A. 151 minutes
B. 819 minutes
C. 273 minutes
D. 3549 minutes
Answer: C
Mathematics
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Answer the question.How can the graph of f(x) = 
+ 11 be obtained from the graph of 
A. Shift it horizontally 6 units to the right. Shift it 11 units up.
B. Shrink it vertically a factor of 
. Shift it 11 units up.
C. Shift it horizontally 6 units to the left. Shift it 11 units down.
D. Stretch it vertically by a factor of 6. Shift it 11 units up.
Mathematics
Identify the fraction as proper or improper.
A. proper B. improper
Mathematics
Factor by grouping.x3 + 6x2 - 10x - 60
A. (x2 + 6)(x - 10) B. (x + 6)(x3 - 10x) C. (x - 6)(x2 - 10) D. (x + 6)(x2 - 10)
Mathematics
Multiply:
Mathematics