Step-by-step explanation:

Answer:
<h3>A. 662 is the answer to this equation. </h3>
<h2>I HOPE IT HELPS</h2>
Answer:
r=<1,0,9>+t<1,2,1>
and
x=1+t
y=2t
z=9+t
Step-by-step explanation:
A vector perpendicular to the plane :

is given by (a,b,c)
So a vector perpendicular to given plane will have :
(1,2,1)
..
ANSWER:
Sum of the given two numbers,
57 + 34 = 91
Now, the one's digit is less than 5.
So, Estimated number is 90.
80,000,000,000/3.2569 = 24,563,234,978