There are 64 trucks and 80 cars in the parking lot what is the ratio of cars and trucks in simplest form

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

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 =

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent