Two angles are supplementary. one angle measures 60 degrees. what is the measure of the other angle?

30 degrees

60 degrees

90 degrees

120 degrees

What is the pattern in the values as the exponents increase?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?