Which of the following completes the square or creates a perfect square trinomial for x^2 -8x+__?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25