Find a close estimate for
square root of 46

Need on this one asap im almost done with this subject

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

Prove that 16^4-2^13-4^5 is divisible by 11.