Three friends went on a road trip and kept track of how long each of them spent driving. Road trip driving times
NameMinutes spent driving
Haley440
Mona810
Fernando100

What percent of the driving was done by Mona?

Write your answer using a percent sign (%).

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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?

X+y=-4 x-y=2 use elimination with adding and subtraction