Please help me. A farmer builds a fence to enclose a rectangular pasture. He uses a total of 155 feet of fence. Find the total area of the pasture if it is 45.5 feet long.

Can someone me out here number 4 plz

What is the ratio of the length of an object in yards to the length of the same object in miles?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?