Plz help me I need an understanding If you can explain as well that would be amazing but you do not have to

[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

What is always true about a positive integer raised to a negative odd power?

Use this graph to find the cost of 6 show tickets