Dora has 2 and 3/8 lb of hamburger meat he's making 1/4 pound hamburgers does dora have enough meat to make 10 hamburgers explain

Arandom high school question but a hard one

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 =

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅