Preform the operation (answer in a+bi form) (i meaning imaginary number)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

What is the measure of angle x? a.101 b.158 c.44 d.79

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.