Ski/snowboard shop has a markup rate of 50% find the selling price of the skis that cost a store owner the wholesale price of $300

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o