Can some help with this problem

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

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

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?