What is the equation of a line passing through the points (2,1) and (-4,-1)?

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Can someone explain to me how to do