Answer:
the first one
the third one
the fourth one
Step-by-step explanation:
1. x <em>does</em> equal 9
2. the equation would lead to x being canceled out so there would be an x in your answer
3. x <em>does</em> equal 30
4. x <em>does</em> equal 6
5. x should equal 135
It equals 1.7 because you're moving the decimal point by two places, when dividing by 100
Answer:
13
Step-by-step explanation:

Hope this helps!