Determine whether and are parallel, perpendicular, or neither.
w(–4, 5), x(8, –1), y(6, –2), z(1, –7)

question 1 options:
a. parallel
b. neither
c. perpendicular

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?