With 47 gallons of fuel in its tank, the airplane has a weight of 2158.5 pounds. What is the weight of the plane with 12 gallons of fuel in its tank?

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

What is the answer to the question 5x+2x

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?