I want to ask a question

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

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 rule describes the composition of transformations that maps △abc to △a”b”c