Can anyone tell me the correct answer of this. I already have it but I wanna make sure. please ​

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?