Write the equation of a line that is perpendicular to y=-x-6y and passes through the point (-9,-4)

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm