PLEASE HELP WILL MARK BRAINLIEST PLZ PLZ PLEASE!! JUST THE TRAINFLE ONE

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

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 =