Step-by-step explanation:
HELIUM: To fill air balloon
ARGON: Used for filling incandescent metal filament electric bulbs
Answer:
super set B
Step-by-step explanation:
because rainbow have seven colors ,
where as u can say,
A is subset of B
Answer:
3
Step-by-step explanation:
To evaluate the expression, we have to substitute the variable in the expression, z, for its stated value. Given that z = 6, substitute 6 for the z in the expression and solve:

Thus, the answer is 3.