Answer:
x ≥ 
Step-by-step explanation:
(If you need step-by-step please request)
The intersection of two sets, written

is the set that contains all elements in BOTH of the original sets.
In this case:

Unless you are told somewhere else what a and b are equal to, none of the given choices is correct.
Answer:
65
Step-by-step explanation:
Base by High
then divided by 2
Answer:
f = 1
Step-by-step explanation:
Answer:
5h+11
Step-by-step explanation:
You add the like terms so 1h+5h-1h= 5h. Then you just add 11 into the equation