Please help Find the values for c so that t^2 + ct + 81 = 0 has one real root.
12 + ct + 81 = 0

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction