Brittany and Sid were both asked to draw the height of a parallelogram. Their answers are below

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)

Precalculus question, image attached.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two