A quadratic function has a zero (x-intercept) at -3 and a vertex of (2,5) whats the function in vertex form

The number of possible solutions of a polynomial can be found by looking

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r