Rectangle A measures 9 inches by 3 in rectangle b is a scaled copy of rectangle a select all of the measurements pairs that could be the dimensions of rectangle b a 4.5 in x 1.5 in b 8 in by 2 in c 10 inches by 4 in d 13.5 in x 4.5 in or e 90 inches by 30 in

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.

i suppose it should be (y=2x-5)

step-by-step explanation: