The survey results may indicate far more gleaming smiles that actually beacuse people might lie on the survey because they dont want people to know that they dont brust their teeth daily. ANYONE just wouldnt confess to a total stranger that they have poor teeth hygine
Round each number to the nearest 10.
33 rounds to 30 and 89 rounds to 90, thus in your head it's easier to mentally add 30 + 90 for purposes of estimation.
Answer: 45$
Step-by-step explanation:
Given
Principal 
Rate 
time 
Simple interest is given by
In the question, time is taken in months which is incorrect
Putting values
Answer:
None
Step-by-step explanation:
Mode is the number that repeats the most. All of these numbers are unique, and there is no repeats, therefore there is no mode.
Answer:
( 2 , 1 ) , ( 4 , 1 ) , ( 4 , 4 ) .......
