Want this question answered?
2ab
It is twice 78,055 equals 156,110
you should clean your years at least twice a day
Your question does not make sense. A modified option of your question could be, What action should you take if you have coughed up blood once or twice?
There isn't a definite answer to the question. It depends on the situation. If there is moisture (which can promote mold growth) in your ducts, you should do it once or twice a year, but the general recommendation is that your vents and ducts should be cleaned every two years.
Despite the fact that people are going to answer this question, this is really a question for a pharmacist.
You should brush your teeth twice a day to maintain good oral hygiene.
You should only need to answer each question once. You can report this bug in the 'Malfunction Discussion' in the Community Forum.
There is not enough information to accurately answer this question.
'At least' means equal to or greater than. This meaning is not restricted to maths; it is one of the common everyday meanings of the phrase.So if you have a question which, for example, tells you to calculate the probability of getting at least one head when a coin is flipped twice then it means:What is the probability of getting one or more heads when a coin is flipped twice.
Explain the lines'once or twice though you should fail.. what should you do in that case?/try again
You need to rephrase your question. It doesn't make sense as it is worded.