The ratio of jenny trophies to merediths trophies is 7:4 jenny has 28 trophies. How many does Meredith have?

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.

Ineed with math stuff it involves graphs

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3