During a sale, a dress is marked down from a selling price of $60 to a sale price of $57. what is the percent markdown?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.