What number multiplied by itself 3 times equals -64

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar. what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

Plzzz answer both questions and i will give you 100 points