Please i really need help with this please explain how to solve it thanks
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Solve the proportion.
16
_
50
=
x
_
156.25

In the diagram below what is the approximate length of the minor arc ab

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20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)