Clothing store buys clothes for $50 and sells them for $80 what is the percent of mark up on the price of the coat

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?

What is the slope-intercept of the linear function (3,5) and (2,1)