Answer:
1 solution
Step-by-step explanation:
The solution is the intersection point, which is at (3, -2)
Well there are 12 inches in 1 foot so
12x9=108
so
111-108=3
so
The average length of a female white beaked dolphin is 9 feet and 3 inches.
Answer:
1. 
2. 
3. 
Step-by-step explanation:
1. 
I like to make it an improper fraction first.

Now take the LCM. The LCM is 20.

Now add them.

Make this into a mixed number.

That's your answer for number 1.
2. 
Do the same thing as the previous addition problem but subtract instead.



is your answer for number 2.
3. 



is your answer for number 3.
I hope this helps! Let me know if you need help or if I got anything wrong :)
Answer:
4800 km
Step-by-step explanation:
240*20=4800