- Calculus Help?

Discover Questions

How many different 4-digit numbers can be formed using the digits 2, 4, 5, 6, and 7 so that no digits repeat & the number is divisible by 4? Solve the equation sec^2 x-2=tan^2 x? What type of white fish served at capton ds? So ive been studying blood types and I m O+ but my daddy is ab- and my mom is a+ how is it possible that I got my blood type? Is there any reaction from store bought ammonia and sugar (sucrose)? If so, a chemical equation would be appreciated.
NH4 + C12H22O11?