Measuring instruments may have different degrees of precision. instrument a is precise to 10^-2cm. instrument b is precise to 5×10^-2cm, and instrument c is precise to 8×10^3cm. order the instruments from most precise (least possible error) to least precise (greatest precise error).

answer: the value of x is 7cm

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: