Find the sum of -4i and it’s complex conjugate. write your answer in the form a+bi

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.