Answer:
-3y+39x-4
Step-by-step explanation:
3y minus 7y plus y is -3y. 18x plus 21x is 39x. 9 minus 13 is -4
Range = highest value - lowest value
Explanation:
This is the required formula to find range from a distribution table.
y=12/2
y=6
x=12/3
x=4
y= x-9
Y=4-9
y=5
6=5
6/5
1.2