Which of the following is not an undefined term?

line
ray
point
plane

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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?