A popular teacher at a school asks a sample of students if they would be interested in taking class next year. Of the students ​asks, ​85% are in one of her classes this year. Only 15 ​% of the students in the school are in one of in classes this year. Will this sample be​ biased?

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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5