I had to re-post this question, but hope you have a good day and stay safe :)

#5 is number b
#6 is number b as well.
these are the answers because the opposite side can be found when u put an arrow straight up from the angle. as you can see , if c had an angle , the opposite would be line segment AB

See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.   

Students need to change their attitude