Please help me with simplify following expression

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)

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Empty box + box + empty box fill in the box is equal to 30 how