Find scale factor and ratio of perimeters for a pair of similar trapezoids with areas 49cm2 and 36 cm2

Which graph represents y=^3 sqrt x+8-3 ?

How do you find the circumfrance of a circle?

(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.