What number is 70% of 45?

(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.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

Would love some on this! include step by step have a good day!