What is X if X + R = S?
HEL ME PLZZ

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?