Peanuts are sold at $6 per kg. Cashew nuts are sold at $12 per kg. How many kilograms of cashew nuts are needed to mix with 12 kg of peanuts to obtain a mixture of $8.4 per kg?

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?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.