PLZ HELLP QUICK GIVING BRAINLIEST Which of the following is used to search for logical connections between items? Algorithms Boundaries Codes Comparison operators

What are "open-loop" and "closed-loop" systems

Use a software program or a graphing utility with matrix capabilities to solve the system of linear equations using an inverse matrix. x1 + 2x2 − x3 + 3x4 − x5 = 6 x1 − 3x2 + x3 + 2x4 − x5 = −6 2x1 + x2 + x3 − 3x4 + x5 = 3 x1 − x2 + 2x3 + x4 − x5 = −3 2x1 + x2 − x3 + 2x4 + x5 = 5

Which of the following is not a key player in the sale of travel products?