Jane is Billy's sister. Jane is 2 years older than 2 times Billy's age.
If Billy is 5 years old, then how old is Jane?

12

Step-by-step explanation:

given that Jane is 2 years older than 2 times billy's age

Jane's age = 2 + 2(Billy's age)

given that Billy's age is 5 years old,

Jane's age = 2 + 2(Billy's age)

Jane's age = 2 + 2(5)

= 2 + 10

= 12

$18 was the price of the t-shirt

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: