A student is given the rectangle and the square shown. The student states that the two figures have the same perimeter. Is the student correct? Complete the explanation to explain your reasoning.
x + 18
X +9
х
X +9
the lengths of its sides.
The student is select) The perimeter of a figure is found by (select)
For the rectangle, the perimeter is
For the square, the perimeter
is

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?