An angle measures 40 more than the measure of its supplementary angle. What is the measure of each angle

Which value of c would make he following expression completely factored? 8x+cy

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.

What is the total surface area of this square pyramid?