Ineed this done plz idk how to do it plz thx

200

Step-by-step explanation:

well since each text message cost .10 cent... .10*200 is $20 and 20+20(cost of plan+ text messages) that is $40 and the other cost $40 that's what led me to this answer

Hope this helps!

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: