Answer:A
The mean is the average of all numbers, in this example it's to national averages which will have many numbers.
Answer:20000
Step-by-step explanation:
30+1000+4000
Answer:
15 grams and 15000 milligrams
Step-by-step explanation:
Answer:
i think theres a typo somewhere
Step-by-step explanation:
Answer: x < 3 or x ≥ 11
(-∞, 3) or [11, ∞)
Step-by-step explanation:
subtract 4 from each side
2x < 6 . or . 3x ≥ 33
x < 3 or x ≥ 11
make sure you have an OPEN DOT at 3 pointing to negative infinity and a CLOSED DOT at 11 pointing to positive infinity.