Solve the inequality. Write answer using interval notation.

Need a little help with algebra problem.

Solve the inequality. Write answer using interval notation.

|x + 3| ≥ |6x + 9|

Find the y coordinate of the vertex of the quadratic function f (x) = -2x2 - 4x + 5

Solve the given equation for the indicated variable.

Solve for y: x = 3 - (2/1 - y) or 3 minus 2 which is divided by 1 - y.

Solve the rational equation.

2x + 17 x + 1 = x + 5