C^2+7 would equal 88. the first equation states that C=9, so you can just plug in 9 for C
Answer:
12
Step-by-step explanation:
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9
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12
1+2+3+4+5+6+7+8+9+10+11+12=78
Answer:
volume of a cone = 1/3*(πr²h)
Step-by-step explanation:
Answer: x = 63
Step-by-step explanation:
15/3 = 5
3 * 21 = 63
63/15 = 21/5