A student is finding the total cost C, including sales tax, of a book that cost $9.95. The sales tax rate is 9%.Find the student's mistake and correct it. c=1.9 × 9.95
c≈ 18.91
c≈ $18.91

65

step-by-step explanation:

okay wait before i answer, is this for your points on a graph?

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:

d. all of the above

step-by-step explanation: