Which graph below shows a system of equations with infinitely many solutions?

What is the answer to |-2x-5|-|-4+8| and x=7

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

What are “like terms”? why can we only add like terms?