Given: MN is an angle bisector of < JMK

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Solve the equation by completing the square. x^2+2x=17

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