Tell whether I and y show direct variation. Explain your reasoning = 20
y
O yes, The equation can be written as y=kr, k=1
O yes. The equation can be written as y=kr, k = 20
O yes, The equation can be written as y=kz, k = 20
20
O no; The equation cannot be written as y=kx.

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41/2 - 1 1/3 what is the answer as a fraction?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

(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.