Please answer if you actually know.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

One positive number is 9 more than twice another. if their product is 95, find the numbers

(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.