Your bill for lunch was $54.70. The service was very good so you decide to tip the server 20%. You do not have anything with you to help you calculate the tip. How much would you estimate is a 20% tip on a bill of $ 54.70?​

$11

Step-by-step explanation:

20% is fifth part of 100%

$54.70 ÷ 5 ≈ $55 ÷ 5 = $11

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: