A counter in Duncan's kitchen is 1 yard wide and 3 yards long. Duncan wants to replace the counter with a granite countertop, which would cost $207.00 per square yard. How much would the granite countertop cost?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

(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.