Select the correct Answer: for each question
-Find the polar equation for the curve represented by the given Cartesian equation. 
Definitions:
Methyl Benzoate
An ester formed from methanol and benzoic acid, commonly used in perfumery and flavorings.
Sodium Ethoxide
A strong base formed by the reaction of ethanol with sodium metal, commonly used in organic synthesis.
Transesterification
A chemical reaction in which an ester is transformed into a different ester through the exchange of alkyl groups, important in biodiesel production.
Ethyl Acetate
A volatile, colorless liquid used as a solvent and in the manufacture of products such as paints, coatings, and adhesives.
Q5: Find parametric equations to represent the line
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Q159: Approximate the sum to the indicated accuracy.