Women are objects d. f

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

What expression is equivalent to log3(x+4)