Answer: Tammy's sample may not be vaild because she surveyed the students only from her class and it is likely that other classes might not like the subject maths. She might get the accurate results by surveying a larger number of people in the school instead of just her class.
306 cause 2448divided by 8
Answer:
x is at least -2
Step-by-step explanation:
The expression that does not represent the sum of n and 6 is 6n
