Suppose that 6.5 million students in a certain country were in 4th grade. This was 8.6% of all students in the country. Find the number of students in the country that year. Round your answer to one decimal place.

An auto manufacturer wants their line of cars to have a median gas mileage of 25 miles per gallon or higher. The gas mileage for their five models are 23, 25, 26, 29, and 19. Do their cars meet their goal? Explain.

Brian rides his bike 0.27 of a mile per minute. If it takes him 27 minutes to ride his bike to his friend's house, how far away does his friend live?

Let b (t) be the number of unread books remaining on Alex's bookshelf after reading consistently for t months. b (t) = 75 - 5t

Find" r". Round to the nearest whole number. R = 1,750 F = 63.2 W = 148 r=R-2RF/W

Carlos drives 2 times the hours that patricia does. carlos and patricia drive for a total of 9 hours. how long did each person drive?

A cell splits in half every 15 minutes. How many cells will there be in 150 minutes (2.5 hours) ?

If the height of a cylinder was tripled, but the area of the base remained the same, what would happen to the volume?

Some cell phone users have developed brain cancer. Should all cell phones come with a warning label explaining the danger of using cell phones?""

Use the distributive property to solve 4 (2x + 9)

The data below shows the average number of text messages sent daily by a group of people: 7, 8, 4, 7, 5, 2, 5, 4, 5, 7, 4, 8, 2, 1, 8 What will be the effect of introducing an outlier in the data? A.