Somene please explain how
(8-5i)(8+5i) is equal to 89

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

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work