Solve the equation for 0 4sin^2x +1=-4sin x

A. 7pi/6, 11pi/6
B. Pi/6,5pi/6, 7pi/6, 11pi/6
C. 5pi/6, 7pi/6, 11pi/6
D. Pi/6, 5pi/6, 7pi/6

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?