Answer:

Step-by-step explanation: I hope it helps :)

9/10 is bigger. 10/10 is a whole so in decimal 9/10 is .90
The answer is 5x because when you do the math 12 subtracted by 7 equals 5 then you add the x at the end.
Answer:
A
Step-by-step explanation:
6 is about halfway to 16
21 is about halfway to 56
they meet up, which makes the line the most accurate
Yw :D