I need to find what the square root is to 19,478,730. my teacher literally put that. help

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

Describe what moves you could use to create the transformation of the original image shown at right

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?