9 and 1/3 because you add what she has and what she's given and subtract what she uses. You must use a common denominator. Hope this helped you!
The answer is C, 4.
you combine like terms and that is the answer you get.
Answer:
its D i just took the test :)
Step-by-step explanation:
Answer:
10 cm³
Step-by-step explanation:
According to Archimedes, if we place an object in water, the rise of the water in mL will be the volume of the object in cm³.
Without the rock, the water measures 20 mL.
With the rock, the water measures 30 mL.
The change here is
, so 10 cm³ is the volume of the rock.
Hope this helped!