Which has the best unit rate 16 oz for $3.30 or 64 oz for $8.60

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

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?