Can someone tell me the answer step by step about the surface area step by step to under stand and show me your work i hope some body can answer me

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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. ?