. The product of "a and d" divides the sum of "x and y'

[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

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

How can you construct perpendicular lines and prove theorems about perpendicular lines