Grammatic or possible lexical errors

Question 1

Asisto a una conferencia

Answer 1

I attend a conference

Question 2

Poner una alarma

Answer 2

To set an alarm

Question 3

Voy sin tiempo

Answer 3

I am running out of time

Question 4

Estar dispuesto a renunciar a cosas

Answer 4

To be willing to give things up

Question 5

A propósito

Answer 5

On purpose

Question 6

Calcular el promedio

Answer 6

To work out the average