What is the standard deviation of the following data? if necessary, round your answer to two decimal places. 9, 10, 10, 8, 7, 11, 12, 9

Which graph has a rate of change of zero

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

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).