Suppose joey has an unexcused absence for the 15th quiz, and he receives a score of zero. recalculate the mean and the median. what property of measures of center does this illustrate?

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

i dont know

step-by-step explanation:

umm. i dont know

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0