Mia wants to see if meditating has an impact on happiness levels. she randomly assigns 40 middle-aged men who have never meditated to one of two conditions: a group that does not meditate and a group that is taught to meditate for 10 minutes a day. after 4 weeks, she measures their level of happiness. what is the sample?

Which matrix multiplication is possible?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

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