Convert the complex number from polar form to rectangular form, a + bi.

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left