Answer:

Step-by-step explanation:
Given


Required
How fast is the ball seem to be moving?
This question illustrates relative velocity;
Since the ball and the train moves in the same direction, the required velocity relative to the person standing behind is:

i.e. we add both velocities


The area of a Square is 144 because 12x12 is 144 and if both sides are 12 then that equals 144.
Hope this helps!
Here yah go hope this is it
So hmm check the picture below
the height or altitude is CD
and the base is AB
how long are those? well
Answer:
Step-by-step explanation: