Answer:
Greatest Common Factor is 
Step-by-step explanation:
Greatest Common Factor is the highest factor that will divide all the numbers. To find the Greatest common factor, first we need to find out the numbers that all the values have in common.
Factors of 4k=1, 2, 4 and k
Factors of 18k=1, 2 , 3, 6, 9, 18 and k
Factors of 12=1, 2, 3, 4, 6 and 12
Common factors are = 1 and 2.
Therefore,
Greatest Common Factor = 
=
The U.S RDA for protein is 46g for girl
If a piece of fried chicken contains 23g
To find the pieces of chicken she is to eat to satisfy the U.S RDA requirement,
The number of pieces of chicken is

The number of pieces of chicken is

Hence, the right option is B
This is a subtraction expression.o evaluate, substitute 29 for the variable in the expression.to<span>evaluate the expression, subtract 31 from 29.</span>
The amount of girls in the club is 18 out of the 32 members.
To find the amount of boys there, we subtract 18 out of 32
32 - 18 = 14
so there are 14 boys in the club
Now to find the ratio of girls to boys...
18/14
simplified to 9/7 (option D.)
Hope this helps :)