Solve |2x|=8
Tell me how you got the answer pls

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319