What's the inverse of -3? answer asap!!

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Which statement describes surface features called maria on the moon

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)