I need help fast and go look at my other question it the one with 20 points yeah ill give 20 points if you answer and mark as brainlest

[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

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

What is the difference between the equations of a vertical and a horizontal line?