D. 53, 107
The pattern is multiplying the previous number by two and then adding one to it.
Answer:
the smaller of the numbers is 21
Step-by-step explanation:
21+29=50
Area of the four walls = 2(Length x height) + 2(Width x height)
Area of the four walls = 2(21 x 28) + 2(13 x 28)
Area of the four walls = 1176 + 728
Area of the four walls = 1904 in²
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Answer: Total area of the 4 walls = 1904 in²
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