Answer:Explanation: 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.
Step-by-step explanation:
Answer:
X = -2
Step-by-step explanation:
4x - 13x = 18
(4 - 13 = -9)
-9x = 18
Divide both sides by -9
x = -2
Answer:

Step-by-step explanation:
I did it on paper

Answer:
3.98%
Step-by-step explanation:
R = $17,300/$435,000 = .0398, or 3.98%
Answer:-abc
Step-by-step explanation:
To collect like terms of
8a^6bc-abc-8a^6bc
=8a^6bc-8a^6bc-abc
=-abc