Answer:
is multiplied by itself.
Step-by-step explanation:
2 to the second power is four, and so is 2 times 2.
7 to the second power is 49, and so is 7 times 7.
They are the same thing.
Hope this helps!
The area of a square is a side times the other side. 13*13=169 So, the area of the square is 169 ft
4x:3x - ratio of number of blue chips to. red chips
8x:3x - number of blue chips is doubled
8x-3x=15
5x=15
x=3
So, there are 9 red chips
The last one D. is the answer