find the selling price per pound of a coffee mixture made from 12 pounds of coffee that sells for $8.00 per pound and 15 pounds of coffee that costs $3.90 per pound.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол