The selling price for a classic painting is $16,000, which is $2000 less than two times its original price. What was the original price of the painting?

Need on this one asap im almost done with this subject

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?