Asnail is at the bottom of a well. in the first 10 minutes this meal climbs 23-7 12 inches. in the next 10 minutes it climbs 19 five six inches. how far is the snail from the bottom of the well after 20 minutes?

(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.