Triangle ABC is the imagine of triangle ABC under translation right 4 units and down 5 units followed by a reflection

What is the measure of ac? 5 units 13 units 26 units 39 units

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

If g^-1(x) is the inverse of g (x) which statement must be true