Question

Helppppp PLZZZZZZZZZZZZZZZZZZZZZZ i need help

Answer 1

$\sf\:Q.\:Show \: that \: there \: is \: no \: positive\:integer$

$\sf\:n \: for \: which \:\sqrt{n - 1} \: + \:\sqrt{n + 1}\:is$

$\sf\: rational.$

Answer 2

Answer/Step-by-step explanation:

A) The temperature in Chicago could be -10*F because -10 is to the right of -13 on the number line.

Higher Temperatures -->

o----------->I

I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I

-13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1   0  1   2  3  4  5  6  7  8  9 10