The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is

where we use the formulas


Answer: C
Explanation: Option A uses data proving that people who live in poverty are led to shoplifting. Option B and D also does the same!
Answer:
... because Edwin Hubble was the man that proved it from his observations. He proved that there is a direct relationship between the speeds of distant galaxies and their distances from Earth. This is now known as Hubble's Law.
Explanation:
Answer:
Homeowners pay
✔ property taxes
on the land they own.
Workers pay
✔ income taxes
on the money, they earn in the workplace.
Businesses are required to pay
✔ corporate taxes
on their earnings.
Explanation:
1 to 6
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