Multiple choice
miss houk asked her math class to solve the following
equation: 4(2x+2)-2(x+2)=10-3(x+2) she notices that students used different strategies for their first steps. which of the students wrote a correct first step in solving the equation

a lynden used the distributive property 8x+8-2x-4=10-3x-6

b whitney used the distributive property 8x+8-2x+4=10-
3x+2

c david combined like terms on the right side of the
equation 4(2x+2)-2(x+2)=7(x+2)

Add the fractions and simplify 1/2+ 1/3

What is the total area of the figure?

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?