Scott was going to sell all of his stamps collection to buy a video game. after selling half of them he changed his mind. he then bought sixteen more. how many did he start with if he now has 29?

Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.