Help with questions 1-9 please

Which statement about the relative areas of triangle abd and triangle xyz is true

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.

What is the slope of a line that is perpendicular to the line shown on the graph? –4 4