Answer: b
Step-by-step explanation:
four more
+4
twice a number
n2 (we dont know the number and it’s multiplied by 2)
is
=
-10
so
n2 + 4 = -10
51,829 rounded to the nearest thousand would be 52,000. So there will be three zeros in the rounded number.
Answer:

Step-by-step explanation:
The focus of the parabola is (0,9)
and the directrix is y=-9.
The equation of this parabola is given by:

The vertex of this parabola is at the origin.
The value of p is the distance from the vertex to the focus.
p=9-0=9
The equation of the parabola is


Or

Answer:
-8..hope it helps you
Step-by-step explanation:
x=-8..Y=2