For all values of x, f(x)=x2+3x and g(x)=x-4

[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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities