Algebra - be so kind - god bless. 2& 3

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit