The elevation of mountain climber can be modeled by the equation 125x - y = -50 where x represents the number of hours the climber has been climbing and y represents the climber's elevation. Which graph best models this situation?​

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?

Solve the system of equations. 2x-2y=-4 and x+y=8. show work