Answer:
I believe the answer is 36.
+ is positive, or plus
- is negative, or minus
the third one is multiply, can look like * and "x"
the fourth one is divide, can look like "/"
hope this helps
Which methods could you use to calculate the x-coordinate of the midpoint of
a horizontal line segment with endpoints at (0,0) and (20, 0)?
Check all that apply.
C. Count by hand