Keiko sold 3 less than three-fourths of his sister’s sales. Which expression represents what Keiko sold? Three-fourths x minus 3
Three-fourths x + 3
3 x + three-fourths
3 x minus three-fourths

chicken chicken chicken

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:

the answer is 13 cm