Help please i dont know what to do!

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

What’s the volume of the triangular prism?

Mason bought 8 1/4 feet of wire. he cut off a piece of wire 3 5/12 feet long and used it for his science project. how much wire did mason have left?