ok and some friends climbed Long's Peak in Rocky Mountain National Park. Then he nd his friends started down the mountain, losing \( 15151 / 4 \) feet of elevation cach hour. They hiked for 615 hours to get back down to the parking lot. How many feet of devation did they lose?

\( \left. \begin{array} { l } { ( x - \vec { x } ) ( Y - \overline { Y } ) = ( 17 - 14,6 ) ( 11 - 14,83 ) + ( 15 - 14,6 } \\ { 14 - 14,83 ) + ( 14 - 14,6 ) ( 15 - 14,83 ) + ( 13 + 14,6 } \\ { 15 - 14,83 ) + ( 17 - 14,6 ) ( 17 - 14,83 ) } \end{array} \right. \)

d \( \frac{8}{15}-\frac{7}{27} \)

How to Measure Technological Progress One of the most common methods used to measure technological progress is through the Solow Residual. The Solow Residual method works under the assumption that all changes in output that can't be explained by changes in the capital stock or changes in the number of workers must be due to technological progress. The method uses a simple linear regression to estimate growth. - Regress output on capital and labor using simple linear regression. - The regression residuals are TFP growth. (Total Factor Productivity - the ratio of aggregate output (e.g., GDP) to aggregate inputs) of Distanco Eduration Iniversitv of Calicut

There are five standard weights \( A, B, C, D \) and \( E \). Given the weight \( A \) and the weight \( B \) weigh 7 pounds in total, the weight \( B \) and weight \( C \) weigh 9 pounds in total, the weight \( C \) and weight \( D \) weigh 11 pounds in total, the weight \( D \) and weight \( E \) weigh 8 pounds in total, and the weight \( A, C \) and \( E \) weigh 10 pounds in total. How many pounds does weight \( E \) weigh?

\( y ^ { \prime \prime } + y ^ { \prime } = \frac { 1 } { \cos ( x ) } \)