World problem: in order to try out for one of the parts in the play at the local theater, you must be at most 12 years old. write an inequality that represents this situation. plz help‍♀️

What is sin 7x/4 ? i need on this urgent trig

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?