Abaker bought 7,500 grams of flour for $19.20 how much did each kilogram of flour cost?

the first one, all those points on the line just make a strait line.

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.