CAN SOMEONE PLEASE HELP ME.

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part