Answer:
12
Step-by-step explanation:
z= 12 because if you subtract 12-4 it will equal 8 or if you add 8+4 it will = 12
Answer:
140%
Step-by-step explanation:
The rate of change is 25 because it goes 25 50 75 100 think of it like quarters
7 + (0-7) * 2/3 = 7 - 14/3 = (21 - 14) / 3 = 7/3 = 2.3
