I nee help with this ^

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

[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

Need showing work for this problem 56.25 ×25.80