What is the greatest common factor of 42a^5b^3, and 42ab^4

Which of those sequences is a geometric sequence

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)