X^2 - 6x + 5 = 0 Factor and check

The president of a bowling league wanted to estimate the average highest bowling score of all its 200 members. instead of surveying all 200 members, she randomly selected 20 members and recorded their highest scores. she found the sample mean to be 237. what inference can she make based on the sample mean?

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below.what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?