If you wish to install a new OS without disturbing the old one so that you can boot to either OS, what type of boot setup should you create

Which cultural aspect does this type of song best portray? a german polka dance

For positive constants a and b, the force between two atoms in a molecule is given f(r) = −a r2 + b r3 , where r > 0 is the distance between the atoms. note: a and b are upper case letters. (a) find f '(r) = (b) find the critical point for f(r). r = (c) find f ''(r) = (d) find the value of r so that f ''(r) = 0.

To maintain clarity and focus lighting might be needed