If you draw three cards from a regular deck of 52 cards, what are the chances they are all hearts

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?

What is the measure of angle 1? a.28 b.152 c.168 d.64

How do i take any fraction and make it into a decimal or percentage?