Free points

Is this person strong?

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

The volume of a cube is 8 in to the 3rd power. how long is each side?