There were 9 roses in the vase. Sally cut some more roses from her flower garden. There are now 12 roses in the vase. How many roses did she cut?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account