Which is not a correct way to represent the relation "the second number is 1 less than three times the first number"? y = 1 - 3x y = 3x + (-1) y = -1 + 3x y = 3x - 1

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

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