△JKL has an area of 3.25 square units. What happens to its area when it is rotated 180∘ about Point J?

Its area stays the same.

Its area decreases.

The change of area cannot be determined.

Its area increases.

(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.

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Find the values of the variables and the lengths of the sides of this kite.