Angela is buying rock to put in her backyard. She measures the biggest portion of her yard to be 20 feet by 14 feet. She has two side yards that
also need to be covered, both measuring 5 feet by 7 feet. Determine how
much square footage Angela needs to cover with rock.

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.