Hello! Could you help me solve this problem Also please explain I need to know this for a quiz!
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I'm buying a concert ticket that regularly sells for $85. It's on sale for 15% off and the tax in my county is 8%. What is the total cost (after discount and tax) of my ticket?

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.)

Which table shows a proportional relationship between miles traveled and gas used?

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?