Which expression is equivalent to 4^-6 x 4^-2

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

The value of cos 30° is the same as which of the following?