I’m not sure haven’t been in school for so long but I think the answer is b
1. <span>(b-7)(2b-7) = 2</span>

-21b +49; b = 42 => 2*

-21*42 + 49 =
3528 - 882 + 49 = 2695;
Pick the second one I did the math on it
Eighteen million one hundred and sixty five thousand four hundred and eleven.
Answer: how come you don't know the answer what grade are you in