Question

Photo attached please help! 15 points!!! Thank you so much!!!

Answer 1

21

x = 2646 / 6

x = √441

x = 21

Answer 2

Replace S with the given surface area:

2646 = 6x^2

Divide both sides by 6:

x^2 = 2646 / 6

x^2 = 441

Take square root of both sides:

x = √441

x = 21

The answer is D. 21