Tanya and kim are going to see a movie. the clocks show when the movie begins and ends. how long will the movie last? a.2 hours, 45 minutes b.1 hour, 15 minutes c.2 hours d.1 hour, 45 minutes ps: the time is 4 : 15

I'm terrible at math any here is appreciated.

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible