Acoffee mixture is made from 5 pounds of coffee of $8.4 per pound and 10 pounds of coffee of $6.6 per pound. find the price of coffee mixture per pound.

let x be the missing price, then :

equation:

$__ per pound

i know the answer is $7.20 but i need the equation.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon