Answer:
Step-by-step explanation:
Rationalize the denominator of b. So, multiply the numerator and denominator by
Now, find a +b
Combine like terms
Now find (a + b)²
(a +b)² =
Hint:
P(score > 334) ≈ .0227501319
Answer:
24
Step-by-step explanation:
-3x(4x-2)
-3*-8
+24
-*-=+
+*-=-
-*+=-
Answer:
B
Step-by-step explanation:
The equation of a circle is
(x-h)^2 + (y-k)^2 = r^2
h= 9, k = -7
r = 2, so r^2 = 4.
We now know that the equation must equal 4, so we can rule out answers A and C.
Plug in the values for h and k to get
(x-9)^2 + (y+7)^2 = 4
Choice B is correct!