Let z=1+i where i^2=-1.calculate z^2 z^3 z^4

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Which table shows a proportional relationship between miles traveled and gas used?

Can someone me with the property questions for 12 13 and 14 plz