Prove that the square of an odd number is of the form 8k+1 g

What value of x is in the solution set of 4x – 12 s 16 + 8x?

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: