Simplify the sum. (10x^5+1x+8)+(2x^5+8x^2+4)

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Astudent simplified a rational expression as shown.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number