What is the simplest way to describe the incenter and circumcenter of triangles?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.