The quiz grades of a math class are given 81,75, 68, 97, 69, 81, 89, 74, 75, 82 91.90
The grades are normally distributed with a mean of 81 and a standard deviation of 92
What is the Z-score of the lowest grade in the quiz?
Round the answer to the nearest hundredth

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?