1. Find the length of the missing side. If necessary, express your answer in simplest
radical form.
(5 Points)
325 cm
5,13 cm
15 cm
373 cm
235 cm
10 cm
Not drawn to scale
Find the length of the missing

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?

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Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.