An 80% confidence interval is found to be (26, 38). What is the margin of error?
A. 9.6
B. 12
C. 6
D. 4.8

Which term best describes the association between variables a and b

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

For what value of (y) is 3^3/3^y =1/9