100 - 83.5 = 16.5 [three significant figure]
2.45 + 18.3 = 20.75 [four significant figures]
Option b is correct.
Answer:
A function is a relation that for every input there is only one output.
Step-by-step explanation:
Step-by-step explanation:
R = 3x + 9y
When y = 6 and R = 7
7 = 3x + 9.6
7 = 3x + 54
7 - 54 = 3x
-47 = 3x
x = -47/3
If it doesn't have 4 sides it is not a square
