Asentence using another meaning for the word ray

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0