Two planes, which are 1780 miles apart, fly toward each other. Their speeds differ by 40mph. If they pass each other in 2 hours, what is the speed of each?

What are the exclude value of mn+3m

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

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?