Answer:
8
Step-by-step explanation:
y=1x+11
19=x+11
8=x
I have to do this for more characters
Answer:1122
Step-by-step explanation:
Hve to work out the general equation first by calculating the common difference-16.
Answer:
common difference is 4
Step-by-step explanation:
12-4=8
8-4=4

Then

which is a disk of radius 1, hence with area
.