The scale factor of figure jklmn to figure pqrst is 3: 2. if kl = 9 cm and mn = 15 cm, what is the length of side qr?

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

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Which expression is equal to (f+g)(x)?