There are 9 members on a board of directors. If they must form a subcommittee of 4 members, how many different subcommitteeses are possible?

126

Step-by-step explanation:

9 choose 4 (Order does not matter)

9 nCr 4 = 126

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: