Mrs. Blair believes there is a relationship between the number of minutes students study and their test grades. She asked her
history class to list the number of minutes they studied and their test grade. Using the information provided draw a scatterplot.
Describe the relationship between number of minutes studying and a student's test grade.
A)
There is no correlation.
There is a positive correlation.
There is a negative correlation
Insufficient data are present.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?

In a newspaper, it was reported that yearly robberies in springfield were up 25% to 265 in 2013 from 2012. how many robberies were there in springfield in 2012?