Mr. Livio earns an hourly wage for every hour he works. Last week, he earned $663.85 and worked for 85.5 hours. How much money does Mr. Livio earn per hour?

Is this a polynomial function? i need to know asap

What is x and y intercepts for y=x+7

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the