The radius of one circle is three the time radius of another circle. the sum of their areas is 12pi. find the radius of each circle.

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?