Answer:
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The correct answer is C. viscosity.
You can check the viscosity of the brake-fluid with using a voltmeter. You can see that by using the voltmeter and read on it the volts, the bigger the voltage the bigger the moisture in brake-fluid, thus less viscosity.
Answer:
x=36
Explanation:
Because it's enlarged, you know that the two triangles are similar triangles, which means the ratio between corresponding sides are the same.
16/x=20/45, so x=36