Can someone help me with this problem ASAP ;-;

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Aof 12 , we to a of 4 to on a .of 4 be ?