If A={2,4,9,10,13} and B = {7,10,13}. Find A union B. NB: Give your answers in ascending order.

Name the most appropriate metric unit for each measurement like the mass of cow

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

Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm