Winter coats are marked 70% off on February 1st. if a coat costs $57.75 on January 31st, how much will it cost on February 1st

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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