Drew is scuba diving. The graph below models the amount of air remaining in his oxygen tank (y) over time (x)

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

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