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Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =