Help just write the number example: 3 rounds to 4

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

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

What is the correct decimal form of 12%