X ÷ 9 = 6
Multiply both sides by 9
x ÷ 9 • 9 = 6 • 9
x = 54
The answer is 5.6! Hope I helped!
Answer: the first one
Step-by-step explanation:
Answer:
Rational
Step-by-step explanation:
A rational number can be written as a fraction of the form.

and a and b are integers.

Hence in this case a=999 and b=100.
Since both are integers with b being a non-zero integer, we conclude that 9.99 is a rational number.
Answer:
x = -17.5
Step-by-step explanation:
7x-5= -35
-35/2 = -17.5