Simplify (-1) to the power of 2

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)

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?