A program to simulate coin tosses is used to simultaneously toss 1,000 coins. If the number of heads displayed in 5 trials of the simulation total 528, 486, 492, 545, and 505, what is the experimental probability of getting heads on a coin toss? Round your answer to the nearest percent.

(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.