A psychologist designs an 8-item pain survey asking athletes to identify their level of pain after a football injury. She is
considering either a 5-point scale or a 10-point scale. In how many different ways could a person answer each
survey?
Select all that apply.

(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.

What is the product? a-3/15a × 5/a-3

Which of the following represents the factorization of the trinomial below? x^2+7x-30