Answer:
10 11/20
as a fraction.
Step-by-step explanation:
.55 is 55/100 but can be simplified. 55 and 100 can be divided by 5 so it goes to 11 and 20
4,
Four lines connecting to two points
Answer:
-i(6/7)√2
Step-by-step explanation:

0.5 is the decimal equivalent to 1/2