Matrix Multiplcation Id appreciate a genuine answer since some pathetic people are just answering for points :/

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

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z