What is an equation of a line, in point-slope form, that passes through (1, −7) and has a slope of −2/3

If you could answer these your a life saver

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?