Please help !! I don’t understand any of this. (I know it looks weird, but you have to zoom in to see it right)

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

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.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6