Evaluate: -6 2 - 28 ÷ 4 + (-9). -52 52 -20 20

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?

52 cm radius = diameter = area = circumference = circumfer

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).