Can someone please check my answer on this. I will give Brainliest Answer.

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)

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details