On field day nancy jumprd 4 7/12 and abe jumped 3 1/6 how much farther did nancy jump than abe

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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?