Tom brought his album for show. he started showing his album at 3: 30 p. m. and finished at 4: 20 p. m.. how long did he show the album?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

(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.

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start