(v) If a complex number z is purely imaginary, then conjugate of z is :

How can you construct perpendicular lines and prove theorems about perpendicular lines

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4