Need answer as soon as possible

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

(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.