If you were to randomly survey 50 people from the phone books of 20 randomly chosen cities, would this be a random sample? Why or why not? Please help

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Which is the graph of this function 3 square root of x plus one if

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality