Which explains why the sequence 81, 3, 1/ is arithmetic or geometric?

For the equations below which statement is true ?

What additional information could be used to prove abc =mqr using sas? check all that apply.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1