help with this you guys i know im asking to many questions and sorry because im going to keep asking them.

See attachment below and find the equivalent of tan(∠qsr)

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.

What is the radius of the cone in the diagram? round your answer to the nearest whole number