after school, mike spends from 4: 00 to 6: 00 doing homework, eating, and playing sports. if he spends 65 minutes on homework and 15 minutes on eating, how much time does he have to play sports?

Measures of the angle of r, 31 s (x+4) t (3x+9)

How do you write something in scientific notation?

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?