7.Solve the equation below. (x – 9)2 = 81

x = 18 and x = 0
x = 27 and x = -5
x = 34 and x = 5
no real solution

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.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?