Helena foi ao mercado com uma nota de 100 reais. Ela comprou um pacote de arroz por R$ 7,50; um quilo de carne por R$ 58,90 e um pacote de pão por R$ 6,20. Ao pagar esses itens com a nota de 100 reais, pode-se afirmar que o troco recebido por ela foi:

Analise a figura a seguir em que é destacado um ângulo:



O ângulo α em destaque é classificado como um ângulo:

Um professor apresentou algumas medidas de segmentos como possíveis lados de um triângulo. Analisando as alternativas, assinale aquela cujas medidas podem realmente formar um triângulo:

Analise as igualdades a seguir:


Pode-se afirmar que as igualdades corretas são:

Para fazer parte do grêmio da escola, candidataram-se 20 estudantes. Desses, 12 eram alunos do 7º ano e o restante eram alunos do 8º ano. Pode-se afirmar que, dentre os que se candidataram, o percentual de estudantes do 8º ano era, em %, de:

Prepositions of time indicate when an action happens, while prepositions of place indicate where an action occurs. Understanding the correct use of prepositions is essential to express ideas clearly and accurately in English.

Which of the following sentences correctly uses prepositions of time and place?

Which of the following sentences correctly uses a modal verb according to its meaning and grammatical structure?

According to Bakhtin and Voloshinov, language should primarily be understood as:

Which of the following sentences correctly use the adverbs according to their meaning and context?

I.She seldom eats fast food, preferring home-cooked meals instead.
II.The company formerly launches new products every quarter.
III.They submit reports quarterly to the head office.
IV.He previously attends the training sessions before starting the project.
V.The manager was constantly complaining about minor issues next week.

Regarding the use of connectors, select the alternative that shows the sentences containing a correct use of the connector according to its meaning and context.

I.The company is expanding rapidly throughout the country, in addition, it is facing severe financial difficulties.
II.She didn't study for the exam; nevertheless, she achieved one of the highest scores in the class.
III.Unless you submit the application before Friday, your request will not be considered.
IV.He wanted to attend the meeting, although he had already finished all his tasks early.
V.The research was inconclusive, therefore more evidence was not necessary.