There are 10 cats in a pet show. A group of 3 cats will be selected as finalists. How many different groups of cats could be finalists?

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?

What is always true about a positive integer raised to a negative odd power?

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units