C.) is the correct answer! I’m 100% sure!
Answer:

Step-by-step explanation:
The slope intercept form is
.
The "
" is the slope; which in this case is -3. So
.
The "
" is the y-intercept, which is this case is the -8 because it is the 2nd number in the coordinate point.
This is why the answer is
.
what about using 20-30-40-5
Step-by-step explanation:
the sequence is that you are skipping ten to get the second nb which is 30 and keep on going on to get 50