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The surface area is 33 units.

Step-by-step explanation:

The base is 3 x 3 so 9.

There are four tringles, two triangles equals a square / rectangle.

So  2 (4 x 3) = 24

24 + 9 = 33

33 units²

Step-by-step explanation:

From the net, we can see that the surface area consists of four triangles and one square:

Surface area = 4(area of triangle) + (area of square)

The base of the triangles (b) = 3, and their perpendicular height (h) = 4.

Area of triangle = (1/2)bh

Area of triangle = (1/2)(3)(4)

Area of triangle = 6

The square has side length (L) 3.

Area of square = L²

Area of square = 3²

Area of square = 9

Surface area = 4(area of triangle) + (area of square)

Surface area = 4(6) + (9)

Surface area = 24 + 9

Surface area = 33

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: