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50 ft

cuz

a squared plus b squared is c squared

then we can substitute a for 40

and we can also substitute to b for 30

then we Square them

1600+900 = 2500

lastly we root square 2500

in order to get the hypotenuse 50 feet

- 70

this is the answer for you hope it

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: