C.) Earth Day is still celebrated each April 22, and those who are interested can find our more by visiting websites dedicated to the event.
A teacher takes her class to the past in a time machine to investigate their roots.
Answer:
3x2+20x−63
Explanation:
=(3x+−7)(x+9)
=(3x)(x)+(3x)(9)+(−7)(x)+(−7)(9)
=3x2+27x−7x−63
=3x2+20x−63