Answer:
It means direct sum.
Step-by-step explanation:
Alright, the zeroes are where it intersects with the X-axis so...
4) -15 and 10
5) 6 and 18
6) -5 and 0
7) -20 and -8
8) 2 and 10
9) -21 and 14
Hope I was able to help you :)
B. A and C, they both have area of 48.
X = original amount
x - 1/2x - 2 = 2/5x
1/2x - 2 = 2/5x
-2 = 2/5x - 1/2x
-2 = 4/10x - 5/10x
-2 = - 1/10x
-2 / (-1/10) = x
-2 * - 10/1 = x
20 = x <=== she was originally shipped 20 suits