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What is the reflection image of (5,-3) across the line y = -x?

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. ?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16