Question i need with.
1: about what fractional part of the lumber produced is white oak?
the multiple choice answers.
(a) 1/4
(b) 2/5
(c) 4.2
(d) 1/3
(e) 1/2
if you know answer. also, be and say why it is the answer you chose. you so much.

10x

step-by-step explanation:

the greatest common factor 30 and 20 is 10

5 is a common factor of 30 and 20 but 10 is also a factor and 10 is greater than 5 so 5 will definitely not be apart of our answer

now the most amount of x's you factor our is just 1 factor of 1

so 10x the gcf of the terms in the polynomial

answer: a

step-by-step explanation:

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.