Which is longer, 12m or 13yd?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?