Step-by-step explanation:
1). 1
2). 36
3). 16
sorry I can't explain it properly, all you have to do is to dive the coefficient of x by 2 and square the result
Answer:
x = 11
Step-by-step explanation:
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