Help please! No links! In a third grade class, students are measuring each other's heights and recording the data.

If they decide to also include their teacher's height, how would this affect the mean of their data?

A. It will have no effect on the mean.

B. It will increase the mean.

C. It will decrease the mean.

D. It will remove the mean.​

Use the multiplier method to incrases £258 by 43%

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

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.