The length of a rectangle is 9 feet less than twice the width. Express the length l (in feet) in terms of the width w (in feet) l =

represent the length

represent the width

And for this case we have the following info given:

The length of a rectangle is 9 feet less than twice the width

If we convert this statement to symbols we got:

And that would be the solution for this case.

Step-by-step explanation:

For this problem let's define some notation first:

represent the length

represent the width

And for this case we have the following info given:

The length of a rectangle is 9 feet less than twice the width

If we convert this statement to symbols we got:

And that would be the solution for this case.

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify