A=8^2
A=64ft^2
A square is defined as a 4 sided shape with all equal sides, so all 4 sides should be 8 feet.
The answer to this would be 4^3 or 4×4×4.
This equals 64. So there are 64 chairs in thé building.
Answer:
8
Step-by-step explanation:
Answer:
a) x = -10
b) x = 7
Step-by-step explanation:
a)
2(x + 3) = x - 4
2x + 6 = x - 4
2x - x = -4 - 6
x = -10
b)
4(5x - 2) = 2(9x + 3)
20x - 8 = 18x + 6
20x - 18x = 6 + 8
2x = 14
x = 7