What equals -6 but adds to be 5

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

What is the slope of the line (-7,2) (4,6)

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall