Two is subtracted from a number, and then the difference is multiplied by 5. the result is 30. find the number

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

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72