4x/50 = 2/x what is the value of x in this proportion

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 do the number line graphs of the solutions sets of -23 > x and x-23 differ?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?