-8(4+7)=-88 SIMPLIFY __=-88 PLEASE HELP

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

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano