A study found that there is no direct relationship between the time that 8th-grade students spend brushing their teeth and their final math grade for the year. What is the correlation?

A.) negative
B.) positive
C.) no correlation

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry