Answer:
C.
Step-by-step explanation:
None of these numbers have perfect square roots, but is the closest to the point on the number line. The square root of is 6. 244997998398398. Rounding that number we get approximately 6.3.
3x(x²-5)
Multiply the bracket by 3x
(3x)(x^2)=3x^3
(3x)(-5)=15x
Answer: 3x^3+15x
82 degrees
It should all equal 180 so 52+46=98 and 180-98 is 82