Density = m/v with mass being in grams and volume in mL......
192 grams/250 mL = 0.768 g/mL
Answer:

Step-by-step explanation:
Given the diagram, we can see that ∠PQR and ∠RQS are complementary angles.
*Two angles with measures that add up to 90° are known as Complementary angles.*
Therefore, m∠PQR+m∠RQS=90°


Subtract 48 from both sides:


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AB & CD
they have the same degree & are equally apart.