In the diagram of circle a, what is m∠lmn?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

[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