Simplify the expression - 3/6 - 5/7 can you show me how?

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?

Which value of y will make the inequality y< -1 false?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)