Solve the equation of exponential decay.
a company's value decreased by 11.2% from 2009 to 2010. assume this continues. if the company had a value of
$9,220,000 in 2009, write an equation for the value of the company years after 2009

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.