State parks are popular places to visit. the table below shows how many people visited a state park in four different years. year number of visitors 2012 40,648 2013 81,355 2014 33,837 2015 54,022

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]

Prove that 16^4-2^13-4^5 is divisible by 11.