What is the equation of the line that passes through the point (2, -4) and has a slope of -2?

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot