What is the value of x?

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x =
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Witch represents the inverse of the function f(x)=1/4x-12

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?