Which expressions are equivalent to the given expression? Select two options.
(-2.4a-1.8b)-(-3.8a-4.4b) + (2.0a + 3.0b)
3.4b-3.2a
3.4a-3.2b
5.6b+3.4a
3.2b + 3.4a
3.4a +5.6b