Which expression is a common factor of x2+10x+16 and x2+11x+18 ? a) x+2 b) x+4 c) x+8 d) x+9

Answer this question only if you know the answer! 30 points and

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Need on this one asap im almost done with this subject