For number 1. it is wrong. It is fresh water. Ocean water is salt water. I don't know the rest, sorry. I will come back if I find out though! :D
Answer:
it means the value of x
Step-by-step explanation:
Answer:
the two minus symbols cancel out making it positive 5
Step-by-step explanation:
Answer:
arcsin0.616
Step-by-step explanation:
arcsino.616