Answer:
False
Step-by-step explanation:
2x+7=30
2x=23
X= 23/2 or 11.5
X does not equal 3, therefore the statement is false
Answer:
The answer is 400 when you round it off to the nearest hundred.
Answer:
B) 8n+4
Step-by-step explanation:
The product of 8 and n means 8n. Four more means +4. These together equal B) 8n+4
No this is not a valid reference because those were 20 random families, if he does another test the next twenty families 50% of them could attend the party. Too much chance to be valid.
