Two identical wheels
are placed along a
straight path so that
their centers are 9.31
meters apart. The
radius of each wheel
is 3.5 centimeters.
They are pushed
towards each other
at the same time,
each making one
revolution per
second. How long
does it take for them
to knock into each
other?
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible