PLEASE ANSWER: What is the ratio of the corresponding side lengths?
A.)4:9
B.)4:2
C.)26:26
D.)4.5:2

How to do this , and can some one explain

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.