The faces of the two similar cubes is 2 : 5. what is the ratio of the areas of two corresponding faces? what is the ratio f the cubes' volumes?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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

The graph represents f(x)=[x]+3. what is f(-2.2)?