Step-by-step explanation:
Dave + 6 friends = 7 friends in total
84 ÷ 7 = 12
Each friend paid $12
Answer: 48.97
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Not all of the pairs represent the same ratio
You can cross multiply
-11(-9) x *( 1)
99=1x
99=x
the answer is 99=x
Answer:
3
Step-by-step explanation:
We have given
,
and SP =30
We have to find the slope for regression on Y from X
The slope on Y from X is given by 
As we have given the value of SP =30 and value of 
So slope for regression will be