What kind of angles are 4 and 5

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose