Write whether 2root 45+3 root 20/2root 5 on simplification gives a rational number or an irrational number

In the diagram below, tan θ = sqrt 3. what is the value of m?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?