Answer:
Step-by-step explanation:
5x = 2x + 9
3x = 9
x = 3
AB= 5(3)= 15
BC= 2(5) + 9= 10 + 9 = 19
AC= 15 + 19 = 34
Answer:
Option 4 - 
Step-by-step explanation:
To find : Which set of rational numbers is arranged from least to greatest?
Solution :
The set of rational numbers are

Writing all number in one form,


Now, -1.4<-0.5<0.2<3
From least to greatest the set of natural numbers are

So, 
Therefore, option 4 is correct.
You have to distribute the 2/3 across the equation.
8/3x+18/3 which is 8/3x+6 so the answer is a
I hope that helps
Plug the 5 into the x in the equation 2x. it should be 2(5) which equals 10.