2c-6+9=3x+3+x
2c-6+9=4x+3
2c-6+9=4x+3
+6 +6
2c+9=4x+9
-9 -9
2c=4x
2c/2= 4x/2
C=2x
A is false, linear functions only intersect once
D is false, equal slopes implies parallel lines implies no intersection. lines with different slopes ALWAYS intersect once.
6+n=28
N=22
The number is 22
Answer:
Step-by-step explanation:
1/3 πr²h