Answer?someone help me

The angles in the diagram add up to 90°

To find x add the two angles and equate them to 90°

That's

8x + 50 = 90

8x = 90-50

8x = 40

Divide both sides by 8

8x/8 = 40/8

x = 5

Hope this helps you

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