The graph to the right represents Mario's mile time in minutes. y, based on the number of hours he spends training in hours, X. What conclusion can you make? A. Mario's fastest miles is 1/2 of an hour
B. Mario can run a 2 minute mile after an hour of training
C. Mario's miles time goes down 1 min for every 2 hours of training
D. Mario's mile time goes down 2 mins for every 1 hour of training

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.

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?