The correlation between two scores X and Y equals 0.75. If both scores were converted to z-scores, then the correlation between the z-scores for X and z-scores for Y would be −0.75
0.25
−0.25
0.0
0.75

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point