out of the 40 students in the seventh-grade class, 60% of the students carry a cell phone. what fraction of the students in the seventh-grade class carry a cell phone? show your work.

Use the confidence level and Sample data to find the margin of error E. Round your answer to the same number of decimal places as the sample mean unless otherwise noted.

What is 7/8 ar a decimal and a percent.

Y = 3/2x + 2 y = 2/3x + 6 These lines are ...

what is the error? at 9am the temperature was - 4 degress forienhieght by the noon the tempereture was - 12 degress forienhight a newcaster said it was getting warmer outside why is it incorrect?

Melanie asked 15 random seventh-grade students how many soccer games they attended this school year. The number of games attended by each student is listed below.

A triangle with vertices (0, 1), (4, 1), and (1, 5) is reflected across the x-axis. What are the new vertices of the reflected triangle?

Using only whole numbers Nikki wrote as many multiplication equations as she could with 12 as the product what where her equations

The price of an item is $12.25. You give the cashier a $10 and a $5 bill. What is the change?

In a group of 50 people 28% of them has flue shots done. What is the probability to choose from this group 15 people that didn't have flue shot.

Determine whether y varies directly with x. If so, find the constant of variation? 5y=10x