I think that this an example of a paired t test. Since each student (subject) is given 2 treatments of the same material.
Answer:
$477
Step-by-step explanation:
63 hours x $6 = $378
9 hours x $11 = $99
378+99= $477
Answer:
4squared is 16 so 16×16=256
hope it help
Answer: 174in
Step-by-step explanation:
Multiply the feet # by 12 so you get the amount of feet because there are 12 inches in 1 foot.
Finally, add total amount of ribbon and 174inches will be your answer.