6) What is the markup rate on a $230 game system that sells for $345? * A.5% markup
B.115% markup
C.50% markup
D.66.7% markup

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Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

(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.