He made a mistake at step 3. He should subtract 15 from both side instead of adding 15 to both side.
Answer: C
Answer: V≈1642 cm³.
Step-by-step explanation:
D=20 cm d=12 cm h=8 cm V=?
Answer:
b i think not positive tho
Step-by-step explanation:
Sure. What point?
I might help.
Answer:
32
Step-by-step explanation: