The height of a fireworks rocket can be approximated by h = -5t2 + 20t, where h is the height in meters and t is the time in seconds. Find the time it takes the rocket to reach the ground after it has been

launched.

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?

Fiona has to plot a histogram of the given data

Use the distributive property -7(-2x+u-2)