Answer:
302yrs old.... DAM
Step-by-step explanation:
2x-400=204
+400 +400
2x=604
/2 /2
x=302
I think it might be c or A
Divide -3
-3/-3a = 15/-3
a = -5
Answer:

Step-by-step explanation:
Write a function whose k(x) values are 5 more than four times the principal square root of x.
So,
the principal square root of x 
four times the principal square root of x 
5 more than four times the principal square root of x 
Thus,
