Help me pls it won't let me unselect the one I clicked on

Ineed in figuring out this problem.

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Due sun 06/03/2019 11: 59 p the list below shows the ages (in years) of 10 people riding in a van to a math competition. calculate the mean age of the people in the van. round your answer to the nearest tenth of s year. 10 12 13 11 10 12 ages 11 38 mean- years ( round your answer to the nearest tenth.) median- years ( enter an exact answer.) hint: textbook measures of center, points possible: 1 license this is attempt 1 of 3. submit