Add.
(2p? + 9p + 9) + (3p? + 4p)

David pays a 20% income tax on his $2,100 salary. how many dollars is the tax? show work

Bradley is preparing a presentation to show the ceo of his company. he wants to emphasize that the profits of their competitor have increased slowly over the past 16 months.

Barbara is tilling her craft room floor with square tiles. she wants 6/10 of the square tiles to be red. if she using 18 tiles. how many square tiles will be used to cover the floor? draw an area model to solve