2 burgers for $6.25 each and 2 orders of fries for $1.25 each, with 11% tip. don't answer if you don't know it. Tell me the Tip $ and the total amount including the tip.

if you mean

then it's c. 8, -7/3

but if you mean

then it is

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: