A recent Algebra 2 quiz had scores that closely followed a normal distribution with a mean of 80 and the standard deviation of 10. (Note: there was extra credit on this quiz)

O SD

JS

SO

SD

es

les

250

2 SD

-350

3 SD

orations

А B С D E F G

Using the given mean and standard deviation, label the normal curve shown above.

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D

very Education

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Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

What is the difference between the equations of a vertical and a horizontal line?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.