Consider the following polynomial.
-2a²b2 + 5abs + 7b+ +8

Somone me i want to know what 18 hours out of 24 hours in a fraction

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.