If (x + yi) + (2(x + yi) + 3i) = 9, what is x + yi?

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

The difference between tax advoidance and tax evasion