Find the area of the regular polygon. Give the answer to the nearest tenth. Pentagon with side 10 cm

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

What is the volume of the sphere shown below with a radius of 3?

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7