Hey how you doin my name's Molly

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

For what value of (y) is 3^3/3^y =1/9

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.