PLS HELP ASAP ILL GIVE BRAINLKEST PLS THANKS 20 POINTS

Pthe price of tickets in a group when a purchased in bulk can be found with the equation c=px+24 were c is the cost, p is the number of people, and x is the price per ticket. what is price of of each ticket if it costs $189 to buy tickets for 15 people ? a $8 b $24c $9d $11 show work

I'm taking a class on how to make a movie, and it offers some apps that would be in the process. the thing is, i don't have any of those ha. if you have any tips on some apps i could use, that would be awesome. i don't have an iphone, so don't suggest any apps like imovie. i know that this is a weird question, but it would be super for me. : )

Determine whether the following careers would require training or college.