Hmm, I'd say it's the first option.
2r-3r+10=20
Move all terms to the left:
2r-3r+10-(20)=0
add all the numbers together, and all the variables
-1r-10=0
move all terms containing r to the left, all other terms to the right
-r=10
r=10/-1
r=-10
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
Step-by-step explanation:
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
Answer:
The range is 2
Step-by-step explanation:
The median is 5. The mode is 5. The mean is 5.
