The table shows the number of yards a football player runs in each quater of a game find the mean number of yards the player runs per quarter

We know the number of yards run per quarter:

Sum of yards run across quarters = (-2) + 14 + (-18) + (-6) = -12

Total number of quarters = 4

⇒

⇒ = -3

Hence, he ran -3 yards per quarter

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

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