John has a shop. He makes burgers. The table below shows how many burgers he made over time. Does the table represent a proportional relationship?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

The area of a circle is equal to 1 dm². find the radius of the circle.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air