Carson and his parents ordered a pizza last night. the cook cut the pizza into 12 equal slices. carson ate 1/4 of the pizza, his father ate 1/3 of the pizza, and his mother ate 1/6 of the pizza. a. write a fraction number sentence for the pizza they ate all together b. find the answer, as a fraction, for your number sentence: of the pizza c. write a fraction number sentence for the amount of pizza left d. find the answer, as a fraction, for your number sentence: of the pizza (it wants me to do all of these)

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

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?