Find the area of a circle with radius, r = 5.78m.
Give your answer rounded to 2 DP.​

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

(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.