Answer:
B. 57
Step-by-step explanation:
Given:
A regression line for some data transformed with logarithms predicts that when

To find what will the line predicts
value when
to nearest whole number.
Solution:
When 

We can solve for
by using logarithm properties.
<em>By logarithm properties.</em>
If 

Thus, we have:

∴ 
10 friends because 3/5 times 10 is equal to 6cookies
Answer:
the second one
Step-by-step explanation:
Answer:
30x + 20
Step-by-step explanation:
While x being the number of hours worked by an electrician and $20 being a trip fee so when you;
- Multiply the number of hours worked (x)
- With Hourly Rate charged by electrician which is a $30
- Add it with the trip fee which will be $20
You will get the total cost incur by electrician.
6). y=3
7). x=-2
I hope this helped.