What is the meaning of the numbers 5 6 7 9

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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?