2: Determine the number of solutions of the quadratic equation below.
9x2 – 12x + 4 = 0

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

2x minus y equals 6, x plus y equals negative 3