Item is mainly priced at $80. it is now priced at a discount 60% off the regular price. what is the price now ?

Which of the following of the following sets of side lengths could not form a triangle?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum