Which of the following is equal to 142 ÷ 2? A. (100 ÷ 40) + (40 ÷ 2) + (2 ÷ 2) B. (100 + 2) ÷ (40 + 2) ÷ (2 + 2) C. (100 ÷ 2) - (40 ÷ 2) - (2 ÷ 2) D. (100 ÷ 2) + (40 ÷ 2) + (2 ÷ 2)

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Find the area of the regular hexagon if a side is 20 cm.

(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.