Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.

Choose all the equations that are true.