-3 because it reduced -3 every hour of you divide -12 by 4 you will get -3 which is the average
Bro u start by putting the X's with the same power next to each other, then you can easily simplify, sorry i have no paper and pencil i am out. Hope u got this ;)
Answer:
4
Step-by-step explanation:
as the formula of gradient is y²-y¹÷x²-x¹
so if we put this so tge answer cames 4