What is the equation of a horizontal line that goes through the coordinate (4,-2)

Rewrite the following without an exponent. (5/8)-1

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

Do you mind if you guys me with this question i’m on number 8