I don't know the answer

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

Write the expression as a single natural logarithm. 2 in a - 4 in y

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.