Answer:
14
Step-by-step explanation:
12:6=2
12+2=14
so her brother it's 14 years old
First put these in order from least to greatest.
1,2,2,4,8,9,9 is the correct order
Range is when we subtract the greatest value of our data set from the smallest so in our case it would be 9-1 which leaves us with our answer that 8 is your range.
All you will have to do is put this inside of a graph and then see if it goes through the origin.
Answer:
QT = 18
Step-by-step explanation:
Reverse your steps to see if u get what the questions originally asked.