In a plane, line b is parallel to line f, line fis parallel to line g, and line h is perpendicular to line b. Which of the following cannot be true?

For what value of (y) is 3^3/3^y =1/9

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

[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