1. text messages do you send a day ?

2. sleep do you get a night ?

3. cousins have you got ?

4. people are there in this classroom ?

1.We used to go to school by bus. (negative)

2.Did he use to ride a bike for exercise? (affirmative)

3.Tim used to be a taxi driver. (interrogative)

4.He used to smoke ten cigarettes a day. (negative)

5.You used to ride a motorbike without wearing a helmet. (interrogative)

6.There didn't use to be many trees on this street. (affirmative)

\(\left(\dfrac{1}{4}\left|x\right|+2\right)^2=0\)

\(\left(\left|x\right|-\dfrac{3}{2}\right)^2=\dfrac{14}{25}-\dfrac{1}{5}\)