Answer:
u = 3
Step-by-step explanation:

I hope I've helped you.
Answer:
4
Step-by-step explanation: you have t do y plus 10 and then add 4 minus -2
Answer:
A. 
Step-by-step explanation:
Each mark represent 0.1 unit, so if you count from 0 to
you get 0.5 that is exactly the same that
(for convention the left of the 0 is taken as negative and the right as positive).