URGENT can someone please answer #9 i will give brainliest, this is due at 11:59

1. slope: -1/2

2. y-int. : 15

3. 15 months

explanation:

15) plug in 0 for x (months)

y= -1/2x + 15

y= -1/2(0) + 15

y= 15

the answer to the question is a  

it has the same slope and the same y-intercept.

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.