C Sino-Tibetan
Explanation:
Based on speaker count, Indo-European and Sino-Tibetan are the largest two language families
the answer is the government.
254.34
step-by-step explanation:
the formula for area of a circle is given by
a = pi * r^2
a = pi * 9^2
a = 81*pi
using 3.14 as an approximation for pi
a = 3.14*81
a = 254.34