Answer:
B. False
Step-by-step explanation:
According to pythagorean theorem, for this to be a right triangle, the sum of square of the length of the two legs must equal square of the length of the hypotenuse (longest side).
So
should equal 
- <em>We also know that
</em>
Hence,
, and
They ARE NOT EQUAL, so the triangle is NOT a right triangle.
Answer:
B
Step-by-step explanation:
Trust me on this one..
a = ( 1 , 6 )
b = ( 4 , 9 )

Now just need to put the coordinates in the above equation :



And we're done...♥️♥️♥️♥️♥️
11 divided by 9 is 1.2 repeating so Ellie will have to do about 1.3 parts a week
3,000 feet i think since the formula is width *height *length so it should be correct.