A county sales tax is 6%. Write the percent as a
fraction in simplest form.
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Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*