Determine if the sequence below is arithmetic or geometric and determine the common difference/ratio in simplest form. 12,6,3

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.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

4+(2+x) can you me solve this problem