12. –¿Preparaste la comida, Blanca? –Sí, _____ preparé hace media hora.

2. Anoche _____ que mi esposo compró un anillo de diamantes.

30. Manuel está enojado conmigo porque _____ dije que Santa Claus no existía.

Choose the verb in the subjunctive mood to complete the sentence. Deseo que ella _________ (venir) a la fiesta.

Choose the correct interrogative word. ¿ ___________ te dijo el profesor?

Choose the correct interrogative word. ¿ ____________ clase tienes a las diez?

Choose the correct interrogative word. ¿ ____________ es tu habitación, la de la derecha o la de la izquierda?

The motion diagram shows a particle that is slowing down. The sign of the position x and the sign of the velocity vx are: Picture1.png

Graphical Analysis: The graph in the figure shows the position of a particle as it travels along the  x-axis.  At what value of  t is the speed of the particle equal to 0 m/s?

Constant Acceleration Kinematics: A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s 2 for 15 s. At the end of this time, what is its velocity?