Please help!
Which composition of transformations maps figure EFGH to figure E"F"G"H"?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Simplify using positive exponents only.