Given that Angle ABC is congruent to Angle DEF and Angle GHI is congruent to Angle DEF, prove that Angle ABC is equal to Angle GHI

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers