Question 1091421
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If –2 < a < 11 and 3 < b < 12, then which of the following is NOT true?


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(A) 1 < a+b < 23 

(B) -14 < a-b < 8

(C) -7 < b-a < 14    <<<---===  This one is NOT true.

(D) 1 < b+a < 23

(E) -24 < ab < 132
</pre>


For your info:
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I edited your post to make it readable.


In the future, &nbsp;when you use inequality symbols &nbsp;"<" &nbsp;and/or &nbsp;">", &nbsp;make the blank space before and after them to make your formulas readable.