The Question Is In The Image.

What is the difference between regular convex and concave polygons

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

[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