Verizon has a special and is selling the new IPhone 7 for $299 to new customers. If the Apple Store is charging twice as much as verizon then how much is Apple charging for the new phone

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

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.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?