20 points and i kind of need it quick please help

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

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2