8. write the multiplicative inverse of each number.
a. 7 b. -2c. 1 d. 0°

These question are hard can you me with answers

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 holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost