Will 100 grams of KNO3 dissolve in 100 mL of water at 20C?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

What is the equation of a line passing through (-6,5) and having a slope of 1/3