How many 9 digit numbers can be made out of the digits 0,1,1,3,3,3,3,9,9

72

Step-by-step explanation:

9 digits means 8 other combinations per number and 9 x 8 is 72

what are the options? ?

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: