Keystone credit recovery algerbra 2 anyone?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

I’m still confused on how to work the percentages