Its very urgent i am taking a test ! i’ll mark you brainliest

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?

Explain why the factor 1.5 is broke. into two numbers in the model.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.