Because his friends are not representative. If he would want to receive information about his friends, then this would be a good sample, however, considering that Mason probably wants data that are more representative, it would be better for him to gather info from his school or even wider. This would help him get better data for what he wanted to find information about :)
Answer:
40.8407
Step-by-step explanation:
To compare the speed for the both of them, it would be helpful to convert the units to the same units in this case to units of meters per minute. We calculate as follows:
27 / 60 minutes = 0.45 km/minute
0.45 × 1000 = 450 m/minute
14 x 60 = 840 dm/minute
840 / 10 = 84 m/minute
450 - 84 =<span> 366 m/minute faster than the girl</span>
You just plug 6 in for x so
5(3)(6)-4
15(6)-4
90-4
86
hope it helps
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