Answer:
9/10
Step-by-step explanation:
Firstly 31*4=124
1*3=3
124-3=121
121/12
Answer:
2. the interquartile range is 20
3. 80 is the median.
Step-by-step explanation:
have a nice day.
Answer:
x=6 y=-3
Step-by-step explanation:
Answer:
-155
Step-by-step explanation: