What are the values of a and b on the number line? A number line from negative 4 to 4 with marks at halves. Point A is plotted at one mark to the right of negative 2 and point b is plotted halfway between 2 and 4.
A. a = 1.5, b = 2.5
B. a = –1.5, b = 3
C. a = –1.5, b = 2.5
D. a = 1.5, b = 3