The sum of two numbers is 19 and their difference is 9. what are the numbers?

The numbers are 14 and 5.

Step-by-step explanation:

Let the numbers are x and y .

According to the given question , we have the following system of linear equation:

Adding equation (1) and (2) , we get

Divide both sides by 2 , we get

Subtract equation (2) from (1) , we get

Divide both sides by 2 , we get

Therefore , the numbers are 14 and 5.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

ddd

step-by-step explanation: