Answer:
16.49
Step-by-step explanation:
21^2 - 13^2 = 272
square root 272 = 16.49
sometimes it be like that
y
e
s
(2x-1)(2x+1)
the answer is c
14.4 rounds to about 14 as a percentage that is 14%
4
9×3=27
2×7=14
1×4=4
nice logic
