20pts

circle a has a radius with the length of 5 units. calculate the exact length of the apothem, line segment ah . in your final answer, include your calculations.

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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

How can you tell when x and y are not directly proportional?