Please help me! i dont know what to do... And my weekend depends on you

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)

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?