An observer (o) is located 660 feet from a tree (t). the observer notices a hawk (h) flying at a 35 degree angle of elevation from his line of sight. how high is the hawk flying over the tree? you must show all work and calculations to receive full credit

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At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.