The heights (in cm) and arm spans (in cm) of 31 students were measured. The association between x (height) and y (arm span) is shown in the scatterplot below. The equation of the line of best fit modeling this relationship is y = 4.5 + 0.977x.

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The answer to your question is d 68%

One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to