Answers:
Row one: 1 and 1
Row two: 1, 2, and 1
Row three: 1, 3, 3, and 1
Row four: 1, 4, 6, 4, and 1
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Explanation:
Each value can be found in Pascal's triangle. You can also use the nCr combination formula to get each value. The nCr formula is

The value of n represents the row number. The r value is the column number, so to speak, for each row.
Answer:
The area of the logo is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The area of a semicircle is equal to

so
The area of the logo is equal to multiply by 3 the area of one semicircle

we have
-----> the radius is half the diameter
substitute

Answer: A. i think that is right
Step-by-step explanation:
The square root of 25 = 5
the square root of 9 = 3
5 + 3 = 8
8^2 = 64
Answer:
(4^3)3 and 4^3 • 4^3 = 192 and 4096 = No
(3^4)^4 and 3^8 • 3^8 = 43046721 and 43046721 = Yes
6^4 • 3^4 and 18^8 = 104976 and 11019960576 = No
4^3 • 5^3 and 2^0 = 8000 and 1 = No