Achurch has 10 bells and it's tower. for each church service 4 bells are rung in sequence. no bells rung more than once. how many sequences are there?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Does anyone know how to do geometryme with this problem

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. ?