| 1801 | AMC 12 1998 A Q16 | The figure shown is the union of a circle and two ... | 1500.00 | 
            
            
                | 1802 | AMC 12 1998 A Q17 | Let \( f(x)\) be a function with the two propertie... | 1500.00 | 
            
            
                | 1803 | AMC 12 1998 A Q18 | A right circular cone of volume \( A\), a right ci... | 1500.00 | 
            
            
                | 1804 | AMC 12 1998 A Q19 | How many triangles have area \( 10\) and vertices ... | 1500.00 | 
            
            
                | 1805 | AMC 12 1998 A Q21 | In an \( h\)-meter race, Sunny is exactly \( d\) m... | 1500.00 | 
            
            
                | 1806 | AMC 12 1998 A Q23 | The graphs of \( x^2 + y^2 = 4 + 12x + 6y\) and \(... | 1500.00 | 
            
            
                | 1807 | AMC 12 1998 A Q24 | Call a \( 7\)-digit telephone number \( d_1d_2d_3 ... | 1500.00 | 
            
            
                | 1808 | AMC 12 1998 A Q25 | A piece of graph paper is folded once so that \( (... | 1500.00 | 
            
            
                | 1809 | AMC 12 1998 A Q26 | In quadrilateral \( ABCD\), it is given that \( \a... | 1500.00 | 
            
            
                | 1810 | AMC 12 1998 A Q27 | A \( 9\times9\times9\) cube is composed of twenty-... | 1500.00 | 
            
            
                | 1811 | AMC 12 1998 A Q29 | A point \( (x,y)\) in the plane is called a lattic... | 1500.00 | 
            
            
                | 1812 | AMC 12 1997 A Q2 | The adjacent sides of the decagon shown meet at ri... | 1500.00 | 
            
            
                | 1813 | AMC 12 1997 A Q3 | If \( x\),\( y\), and \( z\) are real numbers such... | 1500.00 | 
            
            
                | 1814 | AMC 12 1997 A Q6 | Consider the sequence \[ 1, - 2,3, - 4,5, - 6,\ldo... | 1500.00 | 
            
            
                | 1815 | AMC 12 1997 A Q7 | The sum of seven integers is \( -1\). What is the ... | 1500.00 | 
            
            
                | 1816 | AMC 12 1997 A Q9 | In the figure, \( ABCD\) is a \( 2\times 2\) squar... | 1500.00 | 
            
            
                | 1817 | AMC 12 1997 A Q10 | Two six-sided dice are fair in the sense that each... | 1500.00 | 
            
            
                | 1818 | AMC 12 1997 A Q11 | In the sixth, seventh, eighth, and ninth basketbal... | 1500.00 | 
            
            
                | 1819 | AMC 12 1997 A Q12 | If \( m\) and \( b\) are real numbers and \( mb > ... | 1500.00 | 
            
            
                | 1820 | AMC 12 1997 A Q13 | How many two-digit positive integers \( N\) have t... | 1500.00 |