I will concede there is a chance that the current rate of the receding moon may have not remained constant but here is the problem we can look at it another way. Either way it's not good for your theories.
Receding Moon:
The gravitational pull between the Earth and Moon causes the Earths oceans to have tides. The tidal friction between the Earths terrestrial surface and the water moving over it causes energy to be added to the Moon. This results in a constant yearly increase in the distance between the Earth and Moon."1 This tidal friction also causes the Earths rotation to slow down, but more importantly, the energy added to the Moon causes it to recede from the Earth.1,2 The rate of recession was measured at four centimeters per year in 1981; 3 however, according to Physicist Donald DeYoung:
"One cannot extrapolate the present 4 cm/year separation rate back into history. It has that value today, but was more rapid in the past because of tidal effects. In fact, the separation rate depends on the distance to the 6th power, a very strong dependence ... the rate ... was perhaps 20 m/year long ago, and the average is 1.2 m/year. 1
Because of this, the Moon must be less than 750 million years old -- or 20% of the supposed 4.5 billion-year age of the Earth-Moon system.4
Note: Even though the maximum age obtained from this method is more than 10,000 years, it is nevertheless much younger than the alleged 4.5 billion year age for the Earth-Moon system proposed by evolutionists. Note also that nobody knows how the Moon got to be in its present orbit. All of the proposed theories as to where it came from have serious problems. It is a complete mystery unless it was designed that way from the beginning.
The Age of the Earth: Evidence for a Young Earth, Young Earth Evidences. Moon: