Answer:
The answer is:

Step-by-step explanation:
❃Incase you forgot what the linear equation formula is ☟

❃Incase you also forgot, The is what the slope formula is ☟

➊ First: We are going to be solving for the slope.

➋Second: We find the y-intercept.

➌Third: Plug in.

Your answer is y ≥ −10 + 5x/2
Answer:
The books cost $28 dollars each.
Step-by-step explanation:
$266 - $14 = $252
then take $252 divided by 9 = $ 28
The answer to your problem is
x=5/2
y=5
x=-4
y=2