What is the value of 4^-1 as a fraction

This needs to be done quick you are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5