One-half of a number increased by 16 is 4 less then two-thirds of the number. What is the number? A.60
B.80
C.120
D.140

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. ?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take