Answer:
18%
Step-by-step explanation:
0.18 is a decimal and 18/100 or 18% is the percentage for 9/50.
<h2>
Answer:</h2>
.
<h2>
Step-by-step explanation:</h2>
<h3>1. Write the expression.</h3>

<h3>2. Substitute y for x, and x for y.</h3>

<h3>3. Solve for y.</h3>

<h3>4. Express your result.</h3>
.
1 is the number which is the answer
It would be a cube or a square prism.