C=dπ and r+r=d so 3+3=6 and 6π≈18.84 so the circumference would be 18.84
Since 9 goes into 18 and 45, and both of the integers has a y2, the GCF is 9y2
You can say that the slope is negative. A line on a graph that goes from the upper left corner to the bottom right is a negative slope.
