Answer:

Step-by-step explanation:
The scientific notation:

We have:

As we know, two weeks is 14 days. If they caught 42 mahi mahi fish in 14 days, then they cought approximately 42 / 14 = 3 mahi mahi fish a day.
Hopefully it'll help you :)
Step-by-step explanation:
= (8x² + 9) - (3x² + 2x + 5)
= 8x² + 9 - 3x² - 2x - 5
= 5x² - 2x + 4
Answer:
x=7
Step-by-step explanation:
AB=BC[ because two sides of isosceles triangles are equal ]
or, 2x+9=5x-12
or,9+12=5x-2x
or,21=3x
or,x= 21/3
therefore, x=3
Answer:
"None of the answers are correct."
Step-by-step explanation:
The formula for Area given the circumference is A = 

So none of the above are correct