The owner of an ice cream shop is making signs to advertise. each sign will be in the shape of a triangle to represent an ice cream cone. the sides of the triangle measure 51 cm 51 cm, and 48 cm the height from the shortest side to the opposite vertex is 45 cm. what is the area of one sign? how much material does the owner need to make 7 dozen signs?

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?