Write the equation of the sphere in standard form. x2 + y2 + z2 + 12x − 4y + 4z + 35 = 0.(x+6)2+(y−2)2+(z+1)2=4 find its center and radius.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points