What is the inverse of

x^2-2x+3

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

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?