Identify properties used in each step in rewriting the polynomial expression below: + 5) + 3(a + (6x)y)step 1: 3(a + (6x)y) + (x + 5)step 2: 3(a + y(6x)) + (x + 5)step 3: 3a + y18x + (x + 5)

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(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.

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?