You want to express the complex number -6 + Bi in polar form

r=+?

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

What is the value of r of the geometric series?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.