Yea I have no proof to do that much cause
Answer:
Step-by-step explanation:
To get the unit to equal 1, divide both numbers by the denominator; your answer is the number you get by dividing the numerator by the denominator. Use this method to calculate unit cost, too—you're calculating how much 1 item is worth, after you're given the amount that multiple items cost.
-2.5 is the slope and the equation is y=-2.5+9 hope this helps
19.87 is the answer hope it helped