How could you find the sum of 9.8 and 2.6

12.4

Simple addition. line em up

 9.8

 2.6

+

12.4

You could add 9 and 2, making 11, then you could use the decimals and att 8 and 6 making 14, since 14 is over 9 add 1 to your 11 making 12 and add the last 0.4 to the twelve, the answer is 12.4

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: