Please do find the percent, will give brainliest, the answer isnt 200%

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.

3x = 729 solve for x plz . it's urgent. will mark

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.