Apply the distributive property to factor out the greatest common factor of 35+50

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?

Which rational number could be graphed between -4 and -5

An equation where variables are used to represent known values—function notation true or false