Answer:
the first one
Step-by-step explanation:
this picture has the workings
Answer:
2i - (-3 + i)
Step-by-step explanation:
I think this is it. Sorry if it's wrong
Answer:
8/5 or 1.6
Step-by-step explanation:
Your answer is D
hope this helps
Answer:2.5 m/s
Step-by-step explanation: