If I have 21 cone shaped hats with a diameter of 16 in and height of 9in. How much paper do I need to cover the hats? Please step by step

I’m which figure is point g an orthocenter

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

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.