For the graphs below ,for which probability distribution is the value of the median greater than the value of mean

What is the base of 1/9 to the power of 2

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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