Enter the expression 2cos2(θ)−1 , where θ is the lowercase greek letter theta. 2cos2(θ)−1 2 c o s 2 ( θ ) − 1 = nothing

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5