The temperature outside dropped 15° and then rose 15° halp m

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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)

What is the value of the expression below? 148+(-6)| + |– 35= 7|