In the figure, a and b lie on the same horizontal ground and are 250m apart. cd is a vertical building on the ground, where ∠cab=30° and ∠cbd=48°. i need to find the height of the building and correct it to 3 significant figures.
you.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

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. ?

4+(2+x) can you me solve this problem