(X+2)^2+(y-4)^2=16 what is the radius

State if the two triangles are congruent. if they are, state how you know?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.