In this line of circles, the ratio of red circles to blue circles is 1:3 how many more red circles would need to be added to make the of red to blue 3:1?

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places

What is the expression equivalent to (3x^2-7)

What is the measure of dg? enter your answer in the box.