What is the y-intercept of the function f(x)=4 - 5x?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?