What is 5x(2x+3) simplified

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. ?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?