Solve for x. x2 − 16 = 9 A) x = 3 or −3 B) x = 4 or −4 C) x = 5 or −5 D) x = 6 or −6

C

Step-by-step explanation:

x^2 - 16 = 9

x^2 -16 +16 = 9+16

x^2 = 25

√x^2 = √25

x = 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

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

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your friendly neighborhood human spider! .