(from #6 in the pic)
What does 0.055n represent?
What does 8.7 represent?

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  0.055 is the number of additional points scored for each weight session

  8.7 is the number of points scored with no weight sessions

Step-by-step explanation:

The problem statement tells you that the equation gives the number of points scored, and that n represents weightlifting sessions. The coefficient 0.055 applied to n translates the number of weightlifting sessions (n) to points (p).

  0.055 is the increase in average points scored for each additional weightlifting session

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The number 8.7 is the number of points scored when there have been 0 weightlifting sessions.

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)