Questões Concurso Prefeitura de Vinhedo - SP

Choose the option where both grammar and vocabulary are correct:
I. “Thomas said he was going to a class after lunch.”
II. “The weather forecast said that it was going to rain on the following day."
III. “My husband said that there was a great movie on TV that day."
IV. “My apologies, but he said he had miss the train.” 

Choose the option where both grammar and vocabulary are correct:
I. “We looked for witnesses, but the neighbors had not seen Tootles in the act.”
II. “If Todd had not included his own name in the message, we would had no idea who was behind it.”
III. “I have knew Victoria for a long time, I can assure that she will help.”
IV. “The new drug will have been implemented within the pharmaceutical companies by this year.”

Para que o limite de uma função exista é necessário que:

Considere a progressão aritmética abaixo.

(?, ?, ?)
Assinale a resposta correta.

Seja um triângulo equilátero ABC, ao determinarmos que seu lado mede 2, afirmamos, portanto, que a sua altura, mede: