3[25-2(9+3)]=?. Pleas

When you answer this can you explain

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.

If two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent