Which is relatively better: a score of 8585 on a psychology test or a score of 4343 on an economics test? Scores on the psychology test have a mean of 9090 and a standard deviation of 88. Scores on the economics test have a mean of 4545 and a standard deviation of 33.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace « 4mzacd zace - zdcb zecd zacd save and exit

Nikolas calculated the volume of the prism. his work is shown below.