What function is the inverse of f(x)=2x+3

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Can anyone me with 32,33,36,37,and 40.

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers