Answer:
4x + 19 is an equivalent expression
Step-by-step explanation:
4x + 28 - 9
so therefore
4x + 19
If A is the buying value & B the selling value, then the increase =
Increase = (B-A)/A = (1.15 - 0.87)/0.87 = 0.3218 or 31.18%
Answer:
B.
Step-by-step explanation:
Answer:-6 and -4
Step-by-step explanation:
Answer:

x | y
10 1 = 1/2 (10) -4=5-5= 1
-2 -5 = 1/2(-2)-4=-1-4= -5
4 -2 = 1/2(4)-4=2-4= -2
-8 -8 = 1/2(-8)-4=-4-4= -8