15x^6/20y^5 * 6y^2/5x^4 when simplified becomes 9x^2/10y^3
The answers 5 because I looked it up
We can't see any given circle. The general form for a circle centered at the origin with radius r is

Answer:
D
Step-by-step explanation:
f(x) - g(x) = -9x^2 - 7x + 12 - (3x^2 - 4x - 15) Remove the brackets
f(x) - g(x) = -9x^2 - 7x + 12 - 3x^2 + 4x + 15
f(x) - g(x) = -9x^2 - 3x^2 - 7x + 4x + 12 + 15
f(x) - g(x) = -12x^2- 3x + 27
Answer D