Help in this plz I will give some points that I was saving up for this moment

1.72m^2x              5.=168f^2t^2x

2.63m^2x             6.=4\sqrt{257}imx\sqrt{im}

3.=55f^2t^2x

4.=90m^2x

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.

m∠a is 90°

m∠b is 40°