What is the value of the 4 in 5,679.04??

An equation where variables are used to represent known values—function notation true or false

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.