Answer:
1. yes
2. NO
3.NO
4.NO
Step-by-step explanation:
I’m pretty sure they’re collinear. I’m so sorry if I’m wrong.
Answer:
1
Step-by-step explanation:
0.79 is more than half, so rounds to 1.
Answer:
1155
Step-by-step explanation:
let the ratio be 4x:11x
4x=420
x=105
11x=11*105
=1155
given: 
$\therefore Ac=\frac{(2)2}{2}=2$