Tanya bought 3 games on her phone that each cost the same amount. tony
bought 4 games on his phone that each cost the same amount, but each was
$.50 less than the games that tanya bought. both tanya and tony paid the
same amount of money. what was the cost of one of tanya’s games?

(a) write an expression that shows tanya’s purchased games.
• hint-let x represent the cost of one of tanya's items.
(b) write an expression that show tony’s purchased games.
• hint-let x represent the cost of one of tanya's items.

(c) write an equation that you can solve to see the cost of each person’s
games. let x represent the cost of one of tanya's games.

• hint- tanya and tony paid the same amount.
(d) solve the equation. show your work.

What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145

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?

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth