227 mg of potassium. what is the diferencie betweem this amount and 1 gram?

Atile pattern on a wall is made up of two identical parallelograms and three identical triangles. what is the area of the tile pattern ? what is the area of the tile pattern?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

How many lines can be drawn through points j and k? 0 1 2 3