2m=6n-5 ; n 1,2,3 can u solve equation

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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?