Will mark brainliest: In triangle ABC shown below, AB is congruent to BC: Given: AB is congruent to BC Prove: The base angles of an isosceles triangles are congruent. The two column was roof with missing statement proves the base angles of an isosceles triangle are congruent: (look at the proof chart) Which statement can be used to fill in the numbered blank space?

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?