13. A rectangular garden has an area of 24 square feet. Part A: What could be the length and width of the garden? What is the perimeter
of the garden?
?
?
?
What could be the length and width of a garden that has an area of 24 square feet?

just get this app called photo math it should be able to do those

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."