How do you copy and paste edmentum math equations on here that won't copy and paste?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

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