Answer:

Step-by-step explanation:

convert the mixed number to the improper fraction:

multiply:

volume of the glass:
PI x r^2 x h = 3.14 x 3^2 x 12 = 339.12 cubic cm
150 / 339.12 = 0.442 = 44.2%
Round the answer as needed.
Answer:
21
Step-by-step explanation:
- AC = 64
- AB = 7x + 8
- BC = 3x + 6
<u>Since AC = AB + BC</u>
- 7x + 8 + 3x + 6 = 64
- 10x + 14 = 64
- 10x = 50
- x = 50/10
- x = 5
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BC = 3x + 6 = 3*5 + 6 = 21