The vertices of a triangle are A (−1, 3), B (7, 9), and C (15, −3). Find the coordinates of the center of balance of the triangle.

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5