Answer: Required expression is given by

Step-by-step explanation:
Since we have given that
Number of miles per week Elia is training for her first marathon = 10 miles
According to question, we have given that she wants to increase her mileage by 2 miles every week.
so, Equation becomes
10,12,14,16..........
Let the number of weeks be x
Since it forms an Arithmetic sequence,
As we know the formula for nth term :

So, our required expression will be

Answer:
46.5
Step-by-step explanation:
Answer:
I am not sure what to do you have any pictures
Step-by-step explanation:
120 inches.
This is because to find the scale factor, you have to take the square root of the area scale. This will give you 30-1 ratio. Then multiply the 4 by that number.