dani jones asked 9/27/2011 A customer in a coffee shop purchases a blend of two coffees: Kenyan, costing $3.50 a pound, and Sri Lankan, costing $5.60 a pound. He buys 7 lb of the blend, which costs him $33.95. How many pounds of each kind went into the mixture?
dani jones asked 9/6/2011 X^6-3x^3-4=0 Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)?
dani jones asked 9/6/2011 (x + 6)2 − 4(x + 6) − 12 = 0 Find all real solutions of the following equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.)?
