Answer using the quadratic formula (pls show work :) )

thank youuu

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.