Answer:
The price of each CD before tax is $12.50.
Step-by-step explanation:
Given:
Lamar bought 3 CDs that were each the same price, including sales tax he paid a total of 40.20.
Of that total,2.70 was tax.
Now, to find the price of each CD before tax.
So, we reduce the tax from total:

Now, as given the price of each were same:

Therefore, the price of each CD before tax is $12.50.
Answer:
Somewhere around 6 or 9
Step-by-step explanation:
From home to Bakersville Sarah covered 12 miles East, the 10 miles south to her friends.
Therefore, using Pythagoras's theorem The distance from Sarah's home to her friend's house will be;
=√ 12²+10²
= √244
= 15.62 miles
add 2.50+8.75+3.00+10.25=24.50
then
24.50*.06=$1.47