Dount mind me just memeing

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

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. what distance from city a is the point where the truck and the car will meet?