Write the equation in vertex form: the graph moves 4 units right, 2 units up, stretched by 6 and opens down

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

See attachment below and find the equivalent of tan(∠qsr)