What grade are you in I can try to help but this looks difficult can you try to explain it for me
Answer:
4/5
Step-by-step explanation:
10:100=8:x
x= 100*8/10
x= 80 (80%)
80% = 80/100 = 8/10 = 4/5

Differentiate both sides wrt
:

By the chain rule, we get


Solve for
:


Answer:
-4,0 -4,0
Step-by-step explanation:
-4,0 -4,0
-2 or -2/1 because the ratio is y over x and the line is going down 2 (-2) every time it goes to the right once (1)