The key word here is "or". If it's an OR question, you add the probabilities together. If it says "and", you multiply them together
As it is an OR question though, you add them.
So:
15 + 5 = 20%
If you were to find the constant rate, you would have to take 4.5 and divide it into 234 to get the answer
You would get 52 as the constant speed
Jenny has the most. That is because Jenny has more than Marcy and Laura.
The y axis was the axis the point was reflected over