Alice, Bob and Carl are jumping up a large flight of stairs. Alice jumps two steps at a time, Bob jumps four steps at a time, while Carl jumps five steps at a time.
on which step will all three land together
for the first time? (Assume they all begin at the foot of the
stairs, i. e. on step 0.)
what is the largest possible number of students in the group!

ur mom gae no homo

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation: