Ajar contains 28 marbles. it has 10 red, 8 black and 10 green marbles. two marbles are drawn, the first is not returned before the second one is drawn. what is the probability that both marbles are green?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

What is the value of x? enter your answer in the box. x =