Evaluate 982 using identities

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers