Help please I need help on this

A & C

Step-by-step explanation:

for A - and + is always -

so 2.3-2.3 =0

for C - and - is always + so

-2.6--124 = -2.6+124

=121.4 which is positive

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.

oof

step-by-step explanation: