Coffee cafe makes money pounds of coffee that cost $6 per pound the types of coffee used to make this mixture cost $7 per pound and $4 per pound how many pounds of the $7 per pound coffee should be in this mixture

Which function has the same domain as y=2x

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

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?