Christine bought 4 CDs that were each the same price. Including sales tax, she paid a total of $54.40. Each CD had a tax of $1.30. What was the price of each CD before tax?

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Standard deviation of 19,29,21,22,23

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?