Determine the odds of drawing two aces if two cards are removed from a regular deck.

(regular deck has 52 cards)
(answer is 1: 220, but idk how to get it)

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

The area of a circle is equal to 1 dm². find the radius of the circle.