Today, you deposit $2,400 in a bank account that pays 4 percent simple interest. how much interest will you earn over the next 5 years

Just tell me how to set up the equation.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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?