Find the area of the regular 30-gon with radius 7 mm.

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

the answer is d. 74.02

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;