The perimeter of a rectangle is 34 units. its width is 6.5 units.

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?

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2