This is called an inequality. If x squared is greater than or equal to 49, then x is plus or minus 7 or greater than plus 7 or less than - 7.
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2s + 5 [ge] 49 (ge stands for "greater than or equal to")2s [ge] 44 s [ge] 22 That is, s is greater than or equal to 22.
3.14 times 7 squared is equal to 153.86
49 x 49 = 492 = 2401
49
To square a number, multiply it by itself, so 7 squared, also written as 72, is 7 x 7, or 49.