Which is Not a test to prove triangles congruent?

Name the most appropriate metric unit for each measurement

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

What is a correct first step in solving the inequality-4(3-5x)> -6x+9