Can someone please help me

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)

Solve: 3x+y=6 4x-2y=18 show all work !

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q