Aphotocopier costs $25 000. its unit cost depreciation is calculated at $0.01 per page. the equation to determine its value after n pages copied is:

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?