Answer:
41-275=234
15-47=62
-72-{151}=223
612-144=174
Step-by-step explanation:
World's population that lives in China in percentage is 20%
Step-by-step explanation:
x+2x+3<36
3×<33
x<11
the number is less than 11
The gemstone has 22 edges.
We use Euler's formula on this:
F + V - E = 2
Substituting our information, we have:
14 + 10 - E = 2
Combining like terms,
24 - E = 2
Subtract 24 from both sides:
24 - E - 24 = 2 - 24
-E = -22
Divide both sides by -1:
-E/-1 = -22/-1
E = 22