Please answer this. Nara wants to find the area of the base of her cooler. If she fills the cooler with 3 bags of ice and each bag of ice holds of ice. She knows that her cooler is 4m tall. What is the area of the base?

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

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

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).