Multiply the following using the vertical multiplication method: 3x^2+5x+1×x^2-2x+4​

Write the following as a base and exponent

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. ?

Choose the more precise measurement. 26.4 cm or 8.39 cm