How do i do rate of change problems? ?

B) $28.25

Step-by-step explanation:

To solve this problem, you need to find how much the discount is.

To find the discount you multiply 75% by $112.99, which equals $84.74.

Now you have to find how much the bike will cost with the discount.

So you have to subtract $112.99 by $84.74, which equals $28.25

So the discounted price of the bike is $28.25.

if you was gonna solve for a, a is a   < -12