If a= 0.3 repeating and b=0.5 repeating, what is the value of a+b?

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)