Zack bought a coat for $69.78. he paid with a $100.00 bill and received $26.73 in change. how much was the sales tax?

What is the best reason for jacinta to have a savings account in addition to a checking account

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

Find the derivative of the function