Steven had $2.50 in nickels and quarters. He had one less than two times as many quarters as he had Nichols. How many of each coin did he have?

Answer

5 nickels, 9 quarters

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.