Please help What rational number is halfway between 1/6 and 1/2? I tried to divide 1/6 and 1/2 but it keeps saying 1/12.

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

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Find cot x if sin x cot x csc x = √2