Perimeter of a triangle with side lengths x, 5x, and 6x-3

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Polynomial that can be factored as (3x-4)(3x+4)

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.