Answer:
I got 1.75 too
Step-by-step explanation:
20/3.5 is 5.7
10/5.7 is 1.75
Answer:

-3/-1
Step-by-step explanation:

SOLVE FOR X IN THE DIAGRAM
SUM OF ALL ANGLES ON STRAIGHT LINE IS 180°

ANGLES :- 5x , (x+54°),90


Answer:
The range is the Largest #- Smallest #
So here it would be 63-20=43
The range is 43.
Since its in the tens you would move the decimal two places to the left
0.20 or 0.2