You subtract the like terms, don't forget to distribute the subtraction sign, its 7x2+5x
One of the basic equations in physics is Speed = Distance/Time. Thus,
Distance = Speed*Time
Time = 1 light-year * 365 days/yr * 24 h/day * 3,600 s/h = 31536000 seconds
Distance = (3×10⁸ m/s)*(31536000 s) = 9.4608×10¹⁵ meters
Convert meters to miles:
Distance = 9.4608×10¹⁵ m * 1 mile/1,609 m = 5.88×10¹² miles
Answer:
pizza kids
3 7
6 14
12 28
24 56
48 112
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:)