In 1 month it rained 12 inches. Then it rained 3 inches per month for 9 months. How many inches did it rain in all?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Which of the following circles have their centers on the x-axis? check all that apply.