Apainter painted about half the room in a half an day. coley estimated the painter would paint 7 rooms in 7days. is coley's estimate reasonable? explain

Can someone answer this question for me

Which two undefined geometric terms always describe figures with no beginning or end?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.