Which equation could be used to find the total cost cif Fernando wanted to buy
8 pencils from the school store?

The triangles are similar. what is the value of x? show your work.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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