A researcher carefully calculates the correlation coefficient and gets a value of r=1.23. What does this value mean? A mistake was made.

The variables have a weak, positive relationship

The variables have a strong positive relationship

The variables have a strong negative relationship

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Abcd is a square. what is the measure of angle bac

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