Find the mean: 12, 8, 7, 10, 8, 8, 10 a.63 b.12.6 c.9 d.7

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

How do you determine whether a relationship represented as as graph is linear or nonlinear

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?