Answer:
42
Step-by-step explanation:
The height of the pole is 4 times shorter than the length of the shadow 20÷5=4
The height of the building must be 4 times shorter than its shadow length 168÷4=42
0.2
30/150 = 1/5 = 0.2
set as brainliest
2
the constant does change
<em>Answer:</em>
<em>B</em>
<em>C</em>
<em>F</em>
<em>Step-by-step explanation:</em>
<em>6/7</em>
<em>12/17</em>
<em>6/25</em>
<em>Best,</em>
<em>SunflowerJada</em>