Sierpinski triangle find a formula for the area, a, that remains after n removals of area

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

What is the value of x in the diagram below?

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