I dont know how to do thisss stufff so um help plz :]

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

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