What is 7 1/2-3 5/6 and what is the answr to the question

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

4. find the geometric mean of 4 and 12. 24 8

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius