Like terms have the same with each variable raised to the same exponent.

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236