What is the quotient of
(3+i)(3-i)
_
-(2+2i)^2
expressed in simplest form?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

How do you determine if an ordered pair is a solution to a given equation?