What is the factorization of the polynomial x^2 - 5x + 6?

A. (X - 2)(X - 3)

A train covers a distance of 300 kilometers in 4 hours. If it continues at the same speed, how long will it take to cover another 150 kilometers?

C. 2 HOURS

A car travels 150 kilometers in 2 hours. What is its average speed?

B. 75 KM/H

If a train travels at a speed of 90 km/h, how long will it take to cover a distance of 270 kilometers?

B. 3 HOURS

If the roots of the quadratic equation x^2 - 7x + 10 = 0 are a and b, what is the value of a + b?

B. 7