How long does it take a drone to fly a total distance of 608 km at a speed of 1688 km/s?

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?