A circle has radius 50 cm. Which of these is closest to its area? Group of answer choices

157 square centimeters

15708 square centimeters

314 square centimeters

7854 square centimeters

How can you decide witch operations to use to slice a two step equation

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box