Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. this policy best addresses which potential source of bias?

for b its (t) and c its (d)

step-by-step explanation:

answer: the answer is 35%

b i think

step-by-step explanation:

not really sure

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.