I'm sorry but what was the question? Uploading the Image would be helpful.
The top right corner is the table that represents a linear function because when x goes up by 1 y continuously goes down by 2 and stays consistent
1.89 * 10^12
1.89e +12
e is shorthand for *10^(
Total number of sheets are 12.
Total number of white sheets= 9
Total number of red sheets = 3
Probability = Number of favorable outcomes/ total number of outcomes.
Hence
When Calvin throws the sheets in the air, the probability that he gets a white sheet is
which equals to
that becomes 0.75