Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
Answer:
Standard form of the equation is:
∴
Step-by-step explanation:
Given equation:

To convert the given equation to standard form of equation:

Using distribution.


Adding 2 both sides.


Adding
to both sides.

∴
2 divided by 7 would give you 29%
Answer:
54
Step-by-step explanation:
8(11 - 3) - 2(4 + 1)
11 - 3 = 8
4 + 1 = 5
8(5) - 2(5)
8 * 5 = 64
2 * 5 = 10
64 - 10 = 54
72% = 72/100
72/100=36/50=18/25