An airplane is flying at a steady elevation of $14,500$ feet. the pilots of the airplane are informed they are approaching a storm, and they will need to ascend to an elevation of $33,000$ feet to avoid flying through the storm. as soon as the pilots received the information about the storm, they immediately began to ascend at a constant rate. after $2$ minutes, the airplane reached an elevation of $17,000$ feet.

Which graph represents the following piecewise defined function?

Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane