Answer:
141
Step-by-step explanation:
49: 1 7, 49
84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The GCF is 7
Answer:
3
Step-by-step explanation:
because it's got factors of 64 which when u add gives -12
(40 seconds) / (2000 rotations) =
(40/2000) (seconds) / (rotation) = 0.02 second per rotation