Hello,
Let's assume i the number of lines,
u(i) the number of regions:
Answer:
it may be 27
Step-by-step explanation:
12^2+16^2=400
square root 400= 20
36/16=2.25
12*2.25=27
In my opinion I think it's letter d
<span>
2(5+c)=3(5-c)
solve for c
10+2c=15-3c
5c=5
c=1</span>