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

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10