Match the polygons formed by the sets of points with their perimeters (rounded to the nearest hundredth). Tiles A(1, 1), B(6, 13
), C(8, 13), D(16, -2), E(1, -2) 38 units F(14, -10), G(16, -10), H(19, -6), I(14, -2), J(11, -6) 25.4 units K(4, 2), L(8, 2), M(12, 5), N(6, 5), O(4, 4) 50 units P(7, 2), Q(12, 2), R(12, 6), S(7, 10), T(4, 6) 19.24 units U(4, -1), V(12, -1), W(20, -7), X(8, -7), Y(4, -4)
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The rate of change is 16.8 million tons per year
<em><u>Solution:</u></em>
Given that, the world catch of fish in 1950 was 12 million tons and in 1955 it was 96 million tons
<em><u>The average rate of change is given by formula:</u></em>
Value in 1950 = 12 million tons
Value in 1955 = 96 million tons
Change in value = value in 1955 - value in 1950
Change in value = 96 million - 12 million = 84 million tons
Number of years = 1950 to 1955 = 5 years
<em><u>Substitute the given values in formula,</u></em>
<em><u></u></em><em><u></u></em>
Thus rate of change is 16.8 million tons per year