An elifice uses paper drinking cups in the shape of a cone with dimensions as shown to the nearest tenth of a cubic inch, what is the volume of each drinking cup

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

How do you use the elimination method for this question? explain, because i really want to understand!

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?