Sharon is planning a holiday for 4 people for 7 days Here are the costs for the holiday for each person

Travel-£130 hotel-£60 for each day spending money-£350
Work out the total cost of the holiday for 4 people for 7 days

Three coins are flipped. what is the probability that there will be at least two tails?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.