The rate of change is :
(2010 - 1780)/5 = 230 / 5 = 46
46m per year
Answer:
The sum is 16 and the difference is 8 unless subtraction 12 from 4 and it would be -8.
Step-by-step explanation:
12 + 4 = 16
12- 4 = 8
4 - 12 = -8
Answer:990
Step-by-step explanation:
5x + 100 = 3x + 112
(subtract 100)
5x = 3x + 12
(subtract 3x)
2x = 12
(divide by 2)
x = 6
Ef=19, as given in the question.