Answer:
3.92699
Step-by-step explanation:
3.92699
Length of arc. Not sure what "in terms of pi means..."
Total divided by number of rows=number per row
63/7=9
9 per row
(c/5+c)-20 You divide the total cost by five to get the tip. You add that to the cost, and the tip and cost added together is the total cost. Subract that from a $20.00 bill and you have the answer! Hope this helps!
A negative times a negative is always a positive so the answer would be positive.
