The following are the ages (years) of 5 people in a room: 13, 18, 14, 17, 24 A person enters the room. The mean age of the 6 people is now 21. What is the age of the person who entered the room? ​

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

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