If a triangle has one right angle then the other two angles are complementary

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

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?

Explain why the factor 1.5 is broke. into two numbers in the model.