Solve each system.
3) -x – 4y - 6z = -27
-5x - y - 6z = -1
-x + 2y – 4z = -7

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

What is the solution to the division problem below x3+x2-11x+4/x+4