Select all the expressions which are equal to -3(0.15-0.2+0.25p) A. -0.45 - 0.06 + 0.25p
B. 0.15 - 0.75p
C. 3 (0.15 + 0.2 + 0.25p)
D. -3(-0.05 + 0.25p)
E. -3(0.05 + 0.25p)

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.

14

step-by-step explanation:

14 x 3 = 42

m

step-by-step explanation:

step-by-step explanation: