Final answer:
The best translation of 'I agree' in Spanish is 'Estoy de acuerdo'
Step-by-step explanation:
The best translation of the sentence 'I agree' in Spanish is 'Estoy de acuerdo'. This phrase is commonly used in Spanish to express agreement or consent. The other options provided - 'Estoy con acuerdo', 'Estoy en acuerdo', and 'Estoy a acuerdo' - are not correct translations and do not convey the intended meaning.
Learn more about Translation from English to Spanish