Derek works at a lab with a huge circular particle accelerator. It has a diameter of 6 kilometers. What is the accelerator's radius?

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?